# A one peso coin has a mass of 5.4 grams. How many grams of copper are in a one peso coin containing 75% copper by mass?

Answers: 2

## Answers

A one peso coin has a mass of 5.4 grams. How many grams of copper are in a one peso coin containing...

Problem:

A one peso coin has a mass of 5.4 grams. How many grams of copper are in a one peso coin containing 75% copper by mass?

answer & Explanation:

75% by mass means 75 grams of copper in 100 grams of one peso coin. So, a 5.4 grams one peso coin contains,

=75/100×5.4

=4.0 grams of copper are in one peso coin

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answer:

b. decreases

step-by-step explanation:

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