Question

If five pencils cost 0.45 find the cost of 7 pencils

Answer 1

Answer:

5 pencils cost 0.45

1 pencil cost 0.45/5=.09

7pencils cost =.09×7=.63

Answer 2

Answer:

cost of 5 pencils=0.45

then cost of 1 pencil=0.45/5=0.9

then cost of 7 pencils =0.9*7=0.63