Evaluate -R -Y for R=-2 and Y:-7

5

Step-by-step explanation:

-2 - (-7)

you have to do the opposite of the sign and switch the last number from negative to positive.

E.) nickle (5 cents)

Step-by-step explanation:

You give 25 cents (value of a quarter)

2 ten-cent candies is equal to 20 cents:

Find the difference between what you paid and the actual amount:

You paid an extra 5 cents. Find the answer that has the same value as 5 cents:

A. ) 1 dime

This is wrong because a dime is worth 10 cents, not 5

B.) 1 nickel 2 pennies

this is wrong because a nickle is worth 5 cents and a penny is worthy 1 cent. Add the values, and the change would be 7 cents.

C.) 2 dimes

This is wrong because a dime is worth 10 cents, so 2 dimes would be 20 cents.

D.) 2 nickles

This is wrong because a nickle is worth 5 cents, so 2 nickles would be 10 cents.

E.) 1 nickle

This is correct because a nickle is worth 5 cents, the exact change you should receive.

:Done