Answer:
300
Step-by-step explanation:
Step 1:
460/115 = x/75 Equation
Step 2:
115x = 34,500 Multiply
Step 3:
x = 34,500 ÷ 115 Divide
Answer:
x = 300
Hope This Helps :)
The answers are 1/3, 2/6, 3/9, 4/12
=
Multiply both sides by 15
6 =
Multiply both sides by c
6c = 30 Divide both sides by 6
c = 5
T= number of minutes
Multiply 5 liters by number of minutes (t), then add the 17 liters already in the tank. This totals 72 liters or more.
17 + 5t ≥ 72
subtract 17 from both sides
5t ≥ 55
divide both sides by 5
t ≥ 11 minutes
ANSWER: Laura could add water for 11 minutes to be sure the tank has 72 liters or more.
Hope this helps! :)
