Economists predict that Americans will spend $1,180 on Summer Vacation in 2015, this is up 4.8% from 2014. What did Americans spend in 2014?

$1151.4

Step-by-step explanation:

let americans spend $a in 2014

(1+4.8%)a=1180

104.8%a=1180

a=1151.4 (rounded off to the nearest tenths)

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this

c

step-by-step explanation:

i think because what else can be a sample of every member