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?

The weight of two balls together can be at most 0.74 kilogram and the lest weight will be 0.62 kilogram

Step-by-step explanation:

Suppose, the weight of one soccer ball is   kilogram.

As the ball weighs no more than 0.37 kilogram, that means:  

And also the ball is no less than 0.31 kilogram, that means:  

So, if we combine inequalities (1) and (2), then we will get........

Now, the soccer bag has two balls in it. So, the weight of two balls will be: kilogram.

Multiplying the above inequality by 2, we will get........

Thus, the weight of two balls together can be at most 0.74 kilogram and the lest weight will be 0.62 kilogram.