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Phổ biến Word Problems >

sara lost her weight by 6.25 percent. if her new weight is 43kg then find her previous weight.

Lời Giải

s a r a l os t h er w e i g h t b y 6.25 p erce n t . i f h er n e w w e i g h t i s 43 k g t h e n f in d h er p re v i o u s w e i g h t .

Lời Giải

Amount before addition : 40.47058 \dots

Các bước giải pháp

Translate the problem into an equation:

43 = x + 0.0625 x

43 = x + 0.0625 x : x = \frac{43}{1.0625}

Amount before addition : 40.47058 \dots

Ví dụ phổ biến

4% of what number is 6 4% of what number is 7 one number is three moro than the other their sum is 7find the number An amount is invested for 5 years at 16% p.a. compounding quarterly. If the value of the investment after 5years is 80,600, what was the principal?Sofia is investing 8,000 in an account paying 5.5% interest compounded quarterly.What will Sofia's account balance be in 7 years?