msaveryg96
Answered

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please help!!!!!!
hannah spends 20% of her money on sweets and 32% on fares. if she spent $8 on sweets what is:
(1) the amount of money she originally had?
(2) the amount of money spent on fares?
(3) the amount she has left?

Sagot :

clarch19

Answer:

1) $40

2) $12.80

3) $19.20

Step-by-step explanation:

(a) find:  8 is 20% of what number

use proportion:    is   = percent

                            of           100

is = 8

of = what you're solving for, let's say 'x'

20% = 20/100

8  = 20

x       100

cross-multiply:  20x = 800

x = 40

(b)  money spent on fares:  32% of 40 is what number?

32 =   y

100      40

1280 = 100y

y = 12.80

3)  40 - (8.0 + 12.80) =  40 - 20.8 = 19.20

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