Glen spends $1.297 on a new computer. round the amount glen
spendis to the nearest $100.

If you mean $1.297 then rounded to the nearest hundred would be $0, but if you meant $1297 Then it would be $1300

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it