NAME
RATIO
TABLES
PRACTICE 2
Business Planning
I n o r d e r t o h a v e a successful business, t h e m a n a g e r m u s t p l a n ahead a n d decide h o w c e r t a i n actions w i l l
affect t h e business. T h e f i r s t step is t o predict t h e financial i m p a c t o f business decisions. B r o o k e has
decided that she w a n t s t o start a b r o w n i e business t o m a k e e x t r a m o n e y o v e r t h e s u m m e r . B e f o r e she can
ask h e r parents f o r m o n e y t o start h e r business, she needs t o h a v e s o m e i n f o r m a t i o n about h o w m a n y
batches o f b r o w n i e s she c a n m a k e i n a d a y a n d f o r h o w m u c h she m u s t s e l l the b r o w n i e s t o m a k e a p r o f i t .
1. B r o o k e can bake 3 batches o f b r o w n i e s i n 2 h o u r s . H e r g o a l is t o bake 12 batches o f b r o w n i e s each day.
U s e t h e table t o find h o w m a n y h o u r s B r o o k e w i l l need t o b a k e t o r e a c h her g o a l .
Batches o f B r o w n i e s
Hours
3
12
If
S'hours
2
2. E a c h batch o f b r o w n i e s w i l l be s o l d f o r $ 2 . 0 0 . H o w m u c h m o n e y w i l l B r o o k e m a k e i f she sells 6
^batches o f b r o w n i e s ?
Batches o f B r o w n i e s
1
Li
5" L
3
3. I f
Cost
w 12-
$2
h o u r s a day, h o w m a n y
batches o f b r o w n i e s c a n she bake?
Batches o f B r o w n i e s
Hours
3
3" h c M ^ s
2
10
4. B r o o k e h i r e s a f r i e n d t o h e l p . T o g e t h e r , t h e y c a n bake 2 4 batches o f b r o w n i e s i n 8 h o u r s . H o w l o n g
does i t t a k e f o r t h e t w o o f t h e m t o b a k e 6 batches o f b r o w n i e s ?
Batches o f B r o w n i e s
Hours
6
\
24
8
2
5. I f B r o o k e a n d h e r f r i e n d can b a k e 2 4 batches o f b r o w n i e s i n 8 h o u r s , a n d t h e y b o t h w o r k 4 0 h o u r s i n
o n e w e e k , h o w m a n y batches o f b r o w n i e s c a n t h e y b a k e t h a t w e e k ? I f B r o o k e s t i l l charges $ 2 . 0 0 a
batch, h o w m u c h m o n e y w i l l t h e y m a k e that w e e k ?
Hours
•a
8
33-
Batches o f B r o w n i e s
24
Batches o f B r o w n i e s
1
Cost
$2
40
IZO
NAME
DATE
R a t i o Tables
PERIOD
Practice 3
F o r E x e r c i s e s 1 - 3, use t h e r a t i o tables g i v e n t o s o l v e each p r o b l e m .
1 . CAMPING T o d i s i n f e c t 1 q u a r t o f s t r e a m
water to
N u m b e r o f Tablets
m a k e i t d r i n k a b l e , y o u n e e d t o add 2 tablets o f i o d i n e .
H o w m a n y tablets d o y o u n e e d t o d i s i n f e c t 4 quarts? N u m b e r o f Q u a r t s
9
2 . BOOKS A b o o k store b o u g h t 1 6 0 copies o f a b o o k
Cost i n Dollars
from t h e pubUsher f o r $ 4 , 0 0 0 . I f t h e store gives a w a y
2 b o o k s , h o w m u c h m o n e y w i l l i t lose?
^
^ N u m b e r o f Copies
3. BIRDS A n o s t r i c h c a n r u n at a rate o f
5 0 m i l e s i n 6 0 m i n u t e s . A t t h i s rate, h o w l o n g
w o u l d i t t a k e a n o s t r i c h t o r u n 15 m i l e s ? fy\i^
4 . SALARY L u z earns $ 4 0 0 f o r 4 0 h o u r s
m u c h she earns f o r 6 h o u r s o f w o r k .
2
U
1
0- h
4,000
160
2
Distance R u n ( m i )
50
15
Time (min)
60
1^
o f w o r k . U s e a r a t i o table t o d e t e r m i n e h o w
(«0
5. DISTANCE I f 10 m i l e s is a b o u t 16 k i l o m e t e r s a n d t h e distance b e t w e e n t w o t o w n s is 4 5 m i l e s , use a
-32.
6"
RECIPES F o r
I
I
lO
-72J
15
E x e r c i s e s 6 - 8 , use t h e f o l l o w i n g i n f o r m a t i o n .
A soup t h a t serves 16 people calls f o r 2 cans o f c h o p p e d c l a m s , 4 cups o f c h i c k e n b r o t h , 6 cups o f
m i l k , a n d 4 cups o f cubed potatoes.
-—
T T C r e a t e a r a t i o table t o represent t h i s s i t u a t i o n .
7. H o w m u c h o f each i n g r e d i e n t w o u l d y o u n e e d t o m a k e
a n i d e n t i c a l recipe t h a t serves 8 people? 3 2 p e o p l e ?
0 QAAll rt.
f
«
/\
2c
8. H o w m u c h o f each i n g r e d i e n t w o u l d y o u n e e d t o m a k e
a n i d e n t i c a l recipe that serves 2 4 people? E x p l a i n y o u r
reasoning.
s
3^•
i
•I"
5
1
i.
t
1 ^
4
i
r\f(\{\/l-PX\^