Answer:
It will take him 1 hour and 30 minutes. (90 minutes)
Step-by-step explanation:
If he is running 1 mile in 10 minutes and he needs to run 9 miles the just multiply 9 by 10 to get 90 then simplify if you need to to get 1 hour and 30 minutes.
Hope this helped and have a great rest of your day.
Given that,
Shelley's pet food store sold one customer 5 peanut butter biscuits for $3. She sold another customer 7 beef treats for $4.20.
For peanut, the cost is ratio is

For beef, the ratio is

If we take cross product of these items,

It implies, that the sale is in true proportion. From the cross product, we find that it is equal.
66.) .... 1/6 > 1/5 > 1/4 > 1/3 > 1/2
7/21 math problems division = 0.333333333333.
0.333333333333 to 2 decimal places= 0.33
7/21 divided by 2 » (7/21) ÷ 2 » 0.333333333333 ÷ 2 = 0.166666666667 in long division