=40÷0.3 = 180÷60% =24÷( 1-0.25-0.45)

= 12 (ton) = 180÷0.6 =24÷0.3

=300 km =80 kg

A: Yes. . . A: Yes. . . A: Yes. . . . . .

It took a lot of effort to hit something. I hope it can be adopted.