20% of 140 is 28, and 10% of 28 is 2.8 which I'm assuming you would round up to 3.
28+3=31. so you were called back 31 times after your 140 customers:)
Answer:
Both equations have no solution.
Step-by-step explanation:
The first equation is:

Group the similar terms to get:


This equation has no solution because

The second equation is

We expand the parenthesis to obtain:


Group similar terms:


This equation does not also have solution because

Answer:
6 servings
Step-by-step explanation:
To find the number of servings, divide the total amount by the quantity per serving.
You can compute this using a calculator:
5.333/0.875 ≈ 6.095 ≈ 6 servings
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Or, you can do the mixed-number math:
(5 1/3)/(7/8) = (16/3)(8/7) = 128/21 = 6 2/21 ≈ 6
There were 6 servings in the container.
He would be able to build 9 houses.