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Mkey [24]
3 years ago
12

Tommy's mom gave him $50 for cutting their grass. He used the money to buy a game for $15.75 and two snacks that cost $1.50 each

. Tommy also bought a necklace for his mom. If Tommy went home with 14 of the money his mom gave him, how much did the necklace cost? Search Results Web results
Mathematics
1 answer:
Alborosie3 years ago
8 0

Answer:

a = $17.25

Step-by-step explanation:

let the money spend on the necklace be a

we have

15.75 +1.5*2 +a + 14 = 50

-> a = 50 -15.75 -3-14

-> a = $17.25

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1. A system of equations to determine the cost of a bottle of juice, is <u>12x + 2.70 = 15.78</u>.

2. From the equation, x = $1.09.

<h3>What is an equation?</h3>

An equation is a mathematical statement that shows that two values are equal.

A system of equations uses numbers and variables.

<h3>Data and Calculations:</h3>

The cost price of a bag of chips = $2.70

The total cost of snacks = $15.78

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Therefore, a bottle of juice = $1.09 ($13.08/12)

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Let a bottle of juice = x

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