Question

The size 4 soccer ball Sean's team uses should weigh no more than 0.37 kilogram, and no less than 0.31 kilogram.A soccer bag has two balls in it.what is the most they could weigh together? The least?

Answer 1

0.37 times 2=0.74kg

0.74 kg at the most

0.31 time 2=0.62kg

0.62 kg at the most