Sally gave her brother $3.95 in quarters and dimes. if the number of quarters is 6 more than the number of dimes, how many quarters did sally give her brother? sally gave her brother quarters. nextreset

13 quarters.

Step-by-step explanation:

Let d represent number of dimes and q represent number of quarters.

We have been given that the number of quarters is 6 more than the number of dimes. We can represent this information in an equation as:

We know that value of one dime is $0.10, so value of d dimes would be .

We know that value of one quarter is $0.25, so value of q quarters would be .

We have been given that Sally gave her brother $3.95 in quarters and dimes. We can represent this information in an equation as:

Now, we have a system of linear equation and we will solve our system by substitution method.

From equation (1), we will get:

Upon substituting this value in equation (2), we will get:

Therefore, Sally gave her brother 13 quarters.

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