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tiny-mole [99]
3 years ago
14

An auto mechanic ordered eight car spark plugs and four truck spark plugs. Car spark plugs cost $.75, and truck spark plugs cost

$3.00 apiece. Use the distributive property to find the total cost of these parts.
Mathematics
1 answer:
Nataly_w [17]3 years ago
5 0
The first thing we should know is the definition of commutative property.
 Commutative property:
 The distributive property of multiplication over addition in elementary algebra is that in which the result of a number multiplied by the sum of two or more addends is equal to the sum of the products of each summand by that number. In algebraic terms we have then:
 4 * ((2 * 0.75) + (3)) = (8 * 0.75) + (4 * 3) = 6 + 12 = 18 $
 answer:
 the total cost of these parts is $ 18
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