5 pen cost 20. find the cost of 8 pens and then 15 pens
1 answer:
Answer:
8 pen : 26
15 pen : 60
Step-by-step explanation:
5 pen = 20
Times both sides by 2
10 pen = 40
add 5 pen = 20
15 pen = 60
Divide 10 by 5
2 pen = 4
1 pen = 2
Add them together
3 pen = 6
Add 5 pens and 20
8 pen = 26
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