Question

17. Christian earned a total of r dollars last year. The government took out 7.1% for SocialSecurity and 1.45% for Medicare. Write an algebraic expression that represents what she paid toSocial Security and Medicare combined.

Answer 1

Christian has r dollars. 7.1% of r is for Social Security and 1.45% is for Medicare.

The total amount he paid will be :

0.071r + 0.0145r

Adding the two items

The result will be :

0.0855r

The answer is 0.0855r