The actual dimensions of a rectangle are 5 ft by 8 ft. Eric measures the sides to be 5.32 ft by 7.71 ft. In calculating the area, what is the relative error, to the nearest hundredth.

1.

Jeanie sells M&Ms out of her giant bag at 4 for 5 cents.

Each piece of M&Ms cost = cents

The machine at the store sells you 9 for 25 cents.

Each piece costs = cents

Hence, Janine is selling at a lower price. Hers is a better deal.

2.

Tom sells baseball cards at 10 for 35 cents.

Per card costs = cents

The second deal is 12 for 40 cents.

Per card costs = cents

Hence, 2 for 40 cents is a better deal.

3.

The hardware store sells sparklers for the 4th of July. They charge 19 cents a piece.

The fireworks stand charges 85 cents for four.

Per piece cost = cents cents

Hence, The hardware store's deal is a better deal.

4.

Frosted flakes has 11 grams of sugar in each 1 ounce serving.

Raisin Bran has 13 grams of sugar in each 1.4 ounce serving.

Per ounce sugar content in Raisin Bran= gram

Hence, Raisin Bran has less sugar from an ounce of cereal.