A student has 1000 and buys a pen costing x# and a book costing y#.how much does the student have left.

a. the are of the rectangle is 18.25

b. 18.25 times two is 36.50

rae me : d

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

hi there!

the answer will be d: 2