Susie wants to paint the outside of her dollhouse, but she will need to buy a special type of acrylic paint. If each bottle of acrylic paints covers 25
square feet, how many bottles of acrylic paint will be needed to paint the
dollhouse?

answer: there are 453.592 grams in a pound.

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.

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