Question

Leonardo makes the following purchases at the store: 1 backpack for $16. 89 5 spiral notebooks for $1. 19 each 1 pack of mechanical pencils for $3. 68 2 packs of lead refills for $1. 88 each Leonardo has 2 coupons, each for 45 cents off on the purchase of a pack of lead refills. The coupons are applied after tax and the sales tax is 5% of the purchase. If Leonardo paid $30. 89 , then he _____ for his purchase. A. Did not pay enough b. Paid the correct amount c. Paid $0. 04 too much d. Paid $0. 57 too much.

Answer 1

Leonardo purchases goods at the store of 30.894 and paid $30. 89. Leonardo did not pay enough.

What is percentage ?

Percentage of a number is the part of the number expressed in the in every hundred. Percentage of a number is expressed with the symbol '%'.

Leonardo makes the following purchases at the

Store: 1 backpack for $16.89, 5 spiral notebooks for $1.19, each 1 pack of mechanical pencils for $3.68, 2 packs of lead refills for $1. 88 each

The total amount of these items is,

$P=1\times16.89+5\times1.19+1\times3.68+2\times1.88\\P=16.89+5.95+3.68+3.76\\P=30.28$

The coupons are applied after tax, and the sales tax is 5% of the purchase. Thus the amount will be,

$P=30.28+30.28\times\dfrac{5}{100}\\P=31.794$

Leonardo has 2 coupons, each for 45 cents off on the purchase of a pack of lead refills. Thus, the sum become,

$P=31.794-2\times0.45\\P=30.894$

Now, Leonardo paid $30. 89 therefore, he did not pay enough.

Learn more about the percentage here;

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