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
Read more about unit rates at:
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Simply rearrange the terms and simplify.
Subtracting 4x from both sides, we have:
-11y=-4x-6
Dividing by -11, we have:
This is in the proper form, so this is our final equation.
Answer:
the answer is x=1,−13
Step-by-step explanation:
.
Answer:
j =−1
j =−7
Step-by-step explanation:
Answer:
6. the table shows exponential growth.
7. the initial value is 3
8. im not sure about this
9. 0.25 or 25%
