Question

Se um pacote de biscoito contem 10 biscoito e pesa 95 g se 15 g de biscoito correspondente a 90 calorias  quantas calorias tem cada biscoito?

Answer 1

`57\ cal`

Explanation:

The question in English

If a packet of biscuits contains 10 biscuits and weighs 95 g if 15 g of biscuits corresponding to 90 calories, how many calories does each biscuit have?

step 1

Find the weigh of one biscuit

`(95)/(10)=9.5(gram)/(biscuit)`

step 2

By proportion

Find out how many calories are in each biscuit

`(90)/(15)(cal)/(g) =(x)/(9.5)(cal)/(g)\\ \\x=9.5*90/15\\ \\x=57\ cal`