To find the length, divide the area by the width:
Length = 20.5 / 2.5 = 8.2 cm
Answer:
-15 and -17
Step-by-step explanation:
2/5 = 2/10 + k
multiply both sides (each term) by 10, we get
10×2/5 = 10× 2/10 + k ×10
4 = 2 + 10k
OR 10k = 4 - 2
10 k = 2
k = 2 / 10
Or k = 1/5
Amy can wash 6.25 windows per hours
rodger can wash 5.3 windows per hour
multiply those numbers by 12 and add them
138.6 windows
