Answer:
4 postcards
Step-by-step explanation:
You need to divide the number of stamps by 5 to get the number of postcards because division is the opposite of multiplication.
20 / 5 = 4
Remember that if you see "x is y times the number of answer" or anything along those lines it means division.
Yoshi bought <u>4 postcards.</u>
20 ÷ 5 = 4
3/4 time left
10.2
Answer:C.