Question

Sharon is painting her house. she needs 5 gallons of brown paint for every 7 gallons of white paint.  How many gallons of white paint does she need if she already bought 14 gallons of brown paint?

A. 10 gallons. B. 19.6 gallons
C. 16 gallons. D. 25 gallons

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Answer 1

B. 19.6 gallons

Explanation:

5 Gallons of Brown ⇒ 7 Gallons of White

14 Gallons of Brown ⇒ x

x = 7 into 14 / 5

x = 98 / 5

x = 19.6

HOPE IT HELPS :)

Answer 2

19.6

Explanation:

The ratio of brown paint to white paint is, 5:7 or
`(5)/(7)` so if he bought 14 gallons of white paint we need to figure out:

`(5)/(7) =(14)/(x)`

which we can as it only has one unknown:

5x=14×7

5x=98

x=19.6

So the answer is 19.6