Question

Brenda talked on the phone for 3.1 hours on monday, friday, and sunday. the other days of the week she only talked 1.85 hours. how much time did brenda talk on the phone last week?

Answer 1

16.7

Explanation:

3.1+3.1+3.1+1.85+1.85+1.85+1.85 = 16.7

Answer 2

(3 x 3.1) + ((7-3) x 1.85) = 16.7 hours