Respuesta :

Answer:

$3.49 for the muffin, and $2.96 for the coffee

Step-by-step explanation:

(3.25)(1.075) = 3.49

(2.75)(1.075) = 2.96

How to find the factor to multiply by

1.075 = 1+.075, 7.5% = 7.5/100 =  .075

2. Answer: $0.45

Explanation:

2.75x.075=.24375

3.25x.075=.20625

.24375+.20625=0.45

3. Answer: $91.80

Explanation:

85x0.08=6.80

6.80+85=91.80

4. Answer: $728.75

Explanation:

687.50x.06=41.25

41.25+687.50

5. Answer: $17.28

Explanation:

216x.08=17.28

6. Answer: $0.99

Explanation:

8.5x0.06=0.51

0.51+8.50=9.01

10-9.01=0.99