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svlad2 [7]
3 years ago
14

Lisa solved 40 math fact problems in 2 1/2 minutes.

Mathematics
2 answers:
vesna_86 [32]3 years ago
8 0

Answer:

Her unit rate remained the same

Step-by-step explanation:

80 is twice as much as 40. 5 minutes is twice as long as 2 1/2 minutes. Her unit rate never changed.

allochka39001 [22]3 years ago
8 0

Answer:

her unit rate remained the same

Step-by-step explanation:

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The cost for 7 dance lessons is 82$. The cost for 11 lessons is 122$. Write and solve an equation to find the cost of 4 lessons
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Answer:

$52

Step-by-step explanation:

Using the equation

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Find the values of x and y.<br> X= __<br> Y= __
azamat

Answer:

x = 20

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Step-by-step explanation:

To figure out x do this.

3x + 2x = 7x - 40 (collect like terms)

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