Answer:
x = 6
Step-by-step explanation:
Let x = first number
x+4x = 30
5x = 30
Divide by 5
5x/5 =30/5
x = 6
Answer:
$4.33
Step-by-step explanation:
3 hours -> $13
1 hour -> $13/3 = $4.33
Answer:
$0.60
step-by-step explanation:
4.85 + 1.55 = 6.40
7.00 - 6.40 = 0.60
Answer:
C
Step-by-step explanation:
Cross multiply
3(2x + 1) = 5(2x - 5)
expand by using distributive property
6x + 3 = 10x - 25
-4x = - 28
x = 7