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Sally found that one dozen eggs costs \$1.20 at Super-X. However, she could get 2.5 dozen of the same eggs at Limitless for \$3:15. When buying 5 dozen eggs, how many cents would she save by shopping at the less expensive store?

Aug 17, 2018

#1
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Sally found that one dozen eggs costs \$1.20 at Super-X. However, she could get 2.5 dozen of the same eggs at Limitless for \$3:15. When buying 5 dozen eggs, how many cents would she save by shopping at the less expensive store?

Find the price per egg and compare the two as follows:

dozen = 12

\$1.20 / 12 =\$0.10 cents per egg at the Super-X store.

\$3.15 /(2.5 x 12)

\$3.15 / 30 = \$.105 cents per egg at the Limitless store.

\$0.105 - \$0.10 =\$0.005 or 1/2 cent per egg cheaper at Super-X store.

5 dozen x 12 = 60

60 x \$0.005 =\$0.30 - or 30 cents that Sally would save by buying the 5 dozen eggs at Super-X.

Aug 17, 2018

#1
+2

Sally found that one dozen eggs costs \$1.20 at Super-X. However, she could get 2.5 dozen of the same eggs at Limitless for \$3:15. When buying 5 dozen eggs, how many cents would she save by shopping at the less expensive store?

Find the price per egg and compare the two as follows:

dozen = 12

\$1.20 / 12 =\$0.10 cents per egg at the Super-X store.

\$3.15 /(2.5 x 12)

\$3.15 / 30 = \$.105 cents per egg at the Limitless store.

\$0.105 - \$0.10 =\$0.005 or 1/2 cent per egg cheaper at Super-X store.

5 dozen x 12 = 60

60 x \$0.005 =\$0.30 - or 30 cents that Sally would save by buying the 5 dozen eggs at Super-X.

Guest Aug 17, 2018