Answer:
1.5
Step-by-step explanation:
k= y/x
y= 12-4.5 =7.5
x= 8-3 = 5
k = 7.5/5 = 1.5
1 sq yrd = 9 sq. ft
so 30 sq. yards times 9 = 270 square feet
-"270 square feet"-
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:
brainly.com/question/396443
Answer:
about 40 cents.
Step-by-step explanation:
2.727 multiplied by 10 equals 27.27, and 4.04 divided by 10 equals 40 cents
Answer:
5
Step-by-step explanation: