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HACTEHA [7]
3 years ago
8

A washer and a dryer cost $911 combined. The washer costs $39 less than the dryer. What is the cost of the dryer?

Mathematics
2 answers:
Gemiola [76]3 years ago
3 0
$475 is the dryer, and the washer is $436
Vikki [24]3 years ago
3 0
Sum and difference problem, where difference = larger number - smaller number.

The larger number is (sum+difference)/2.
The smaller number is (sum - difference)/2

Therefore the dryer costs (911+39)/2=475
The washer costs (911-39)/2=436
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The expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that Jamie pays for his two children
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Answer:  x represents the number of months, 150 represents one-time materials fee,  2( 21x + 75 ) represents total fees in x months and 42 represents rate of change.

Step-by-step explanation:

Since, Here the expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that Jamie pays for his two children to join a science club.

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