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Anna35 [415]
3 years ago
13

Parks spent 1/3 of his money on a sweater. He spent 3/5 of the remainder on a pair of jeans. If he has 36 left, how much did the

sweater cost?
Mathematics
1 answer:
guapka [62]3 years ago
6 0
The sweater cost $45.
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Katelyn can complete 17 integer questions in one minute. Collin can also complete 17 integer questions in one minute. Which expr
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a: 17m + m

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5 0
3 years ago
Luke buys 4 bolts and 6 washers for $2.20 and Holly spends $1.80 on 3 bolts and 5 washers at the same local hardware store. Dete
blondinia [14]

Answer:

Cost of bolts = x = $0.3

Cost of washers = y = $0.167

Step-by-step explanation:

Let us represent:

Cost of bolts = x

Cost of washers = y

Luke buys 4 bolts and 6 washers for $2.20

Hence:

4x + 6y = 2.20....Equation 1

Holly spends $1.80 on 3 bolts and 5 washers at the same local hardware store.

3x + 5y = 1.80....Equation 2

Combining both Equations

4x + 6y = 2.20....Equation 1

3x + 5y = 1.80....Equation 2

Multiply Equation 1 by 3 and Equation 2 by 4 to eliminate x

12x + 18x = 6.6.....Equation 4

12x + 20x = 7.2.......Equation 5

Substract Equation 4 from 5

= 2x = 0.6

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Solving for y

4x + 6y = 2.20....Equation 1

4 × 0.3 + 6y = 2.2

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Cost of bolts = x = $0.3

Cost of washers = y = $0.167

8 0
3 years ago
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