Answer:
$120
Step-by-step explanation:
Since after $20 coupon, the price become $100, then before it was
(20 + 100) = $120
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Answer:
9
Step-by-step explanation:
10
Answer:
Pythagorian theorem:
7^2=13+b^2 -> b^2=49-13=36
The square root of 36 is obviously 6.
So, the other leg has a length of 6 inches
Step-by-step explanation:
Answer:
2.8 miles
Step-by-step explanation:
brian runs 7 miles in 60 minutes at the same rate how many miles would he run in 24 minutes?
(24/60)*7=2.8 miles
Answer:
It would take 4 men 37 hrs and 12 mins to complete the same task.
step-by-step explanation:
Let X be the time the four men would use to complete the task.
From the question, 6 men completed a task in 24 hrs and 48 mins
But

Using ratio and proportion


if more, less divides and if less, more divides.
4 men required more time to complete the task
Hence:


x = 37 hrs 12 mins