1. the yeoman family spent a total of $26.75 on lunch. they bought 5 drinks and 3 sandwiches. each drink costs $2.50 less than a sandwich. which of the following equations could be used to find the cost of each sandwich?

a. 26.75 = 5(2.50) + 3s

b. 26.75 = 3(2.50) + 5s

c. 26.75 = 5s+ 3(s + 2.50)

d. 26.75 = 3s + 5(s - 2.50)

2. solve the equation for a rounded to the nearest tenth:
3a - 0.3 ( a + 50) = 75

a. 5.6

b. 22.2

c. 27.3

d. 33.3