The number of stamps and the cost are illustrations of unit rates
40 stamps would cost $22
The cost of 15 postage stamps is $8.25
Start by calculating the unit rate of the stamps.


So, the number of stamps for $22 is calculated by dividing $22 by the unit rate.
So, we have:


Hence, 40 stamps would cost $22
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Answer B. 24
Each loaf of bread is divided into 4 slices
And there are 6 loaves of bread
6 x 4 =24
24 pieces
Answer: History textbooks sold: 198
Psychology: 114
Step-by-step explanation: 312- 84= 228
228 divided by 2= 114
Add 84 to 114 to represent the history textbooks since they have more.
Answer:
7/20
Step-by-step explanation:
To add fractions, the first step is to get a common denominator
1/4 + 1/10
The common denominator is 20
1/4 *5/5 = 5/20
1/10 *2/2 = 2/20
5/20 + 2/20 = 7/20
Answer:
One inference that can be made is that the age group of 12-19 consume more sodas than the age group of 20-39.
Step-by-step explanation: