Aluminum cans can be recycled instead of being thrown in the garbage. The weight of 10 aluminum cans is 0.16 kilograms. The aluminum in 10 cans that are recycled has a value of $0.14. Write an equation to represent the number of cans c given their weight w.

Given:

The weight of 10 aluminum cans is 0.16 kilograms.

The aluminum in 10 cans that are recycled has a value of $0.14.

To find:

An equation to represent the number of cans c given their weight w.

Solution:

We have,

10 aluminum cans = 0.16 kilograms.

Divide both sides by 0.16.

aluminum cans = 1 kilograms.

62.5 aluminum cans = 1 kilograms.

Let c be the number of cans and w be their weight.

1 kilograms = 62.5 aluminum cans

w kilograms = 62.5w aluminum cans

So, c = 62.5w.

Therefore, the required equation is c = 62.5w.

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step-by-step explanation:

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.