3 years ago

4. At Healthy Hair, the cost of a child's haircut is $4 and the cost of an adult haircut is $14. The sales from

Mathematics

1 answer:

labwork [276]3 years ago

8 0

Answer:

Step-by-step explanatio

it can be 7 children and 1 adult, or 3 adults.

i'd say it's, c = 28, while a = 14

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kipiarov [429]

Answer:

1. Commutative Property of Addition

2. Distributive property

Step-by-step explanation:

Given

$Line 1: 4(8+9x)$

$Line 2: 4(9x+8)$

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Required

Justify each step

From Line 1 to 2:

The property from Line 1 to 2 depicts $a + b = b + a$ ;

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From Line 2 to 3:

The property here depicts $a(b + c) = a * b + b * c$

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