Answer:
69.08
Step-by-step explanation:
C=
C=
×
C≈
Mike ($3.75): x
Friends ($3.75): 3x
Mike + Friends ≤ 25
3.75(x) + 3.75(3x) ≤ 25
3.75x + 11.25x ≤ 25
15x ≤ 25
≤ 
x ≤ 1
Answer: they can rent the paddleboards for 1 hour 40 minutes
Answer:
Step-by-step explanation:
If congruent the sides are equal
15x-9=7x+11
8x=20
x=20/8=2.5
The answer is in the photo. Hope this helps