Answer:
The number of bagels made in 20 hours is 3100 bagels, at the rate of 155 bagels per hour.
Step-by-step explanation:
Given;
number of bagels in 2 hours = 310 bagels
The rate per hour is calculated as;

In 20 hours, the number of bagels made is calculated as;
Number of bagels = 155 (bagels/hour) x 20 (hour)
= 3100 bagels.
Therefore, the number of bagels made in 20 hours is 3100 bagels, at the rate of 155 bagels per hour.
Answer:
(a)
Expression:
Amount you earn per hour: $3
(b)
Expression: 
Amount you spend on shirt: $18
Step-by-step explanation:
(a)
Let x represent the amount you earn per hour.

(b)
Let s represent the amount you spent on a shirt.

Answer:
P=-6
Step-by-step explanation:
Answer:Its 75 9' 280
Step-by-step explanation:
Because its the retail price.