MATHEMATICS MIDDLE SCHOOL

Really really really need help PLEASE!!!!!!Andrew must spend less than $58 on meals during the weekend. He has already spent $22 on meals, with each meal costing $9 on average.

9x + 22 < 58

How many additional meals can Andrew buy this weekend?
A.
x < 22
B.
x < 9
C.
x < 36
D.
x < 4

Answers

Answer 1
Answer: Solve the equation for 9x+22<58
9x<36
x<4
D.
Hope this helps. 

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Answers

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Answers

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Answers

Find for the 3 single digit number that will be multiplied together to get the product 504.
=> n x n x n = 504 – where n are the single digits that we need to multiply.
504 / 2 = 252
504 / 3 = 168
504 / 4 = 126
504 / 5 = 100.8
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504 / 8 =63
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Now, let’s have 7 8 9 as 3 numbers to multiply to get 504 as product.
=> 7 x 8 x 9
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The correct answers are:

7, 8 and 9.

Explanation:

We can check divisibility using the rules of divisibility. We will start with the largest single-digit number, 9. The rule for divisibility by 9 is that the sum of the digits is divisible by 9. The digits of 504 add to 5+0+4=9; since 9 is divisible by itself, 504 is divisible by 9.

504/9 = 56; this means we need two single digit numbers that are factors of 56. 56 = 7*8; this means 7 and 8 are our other two numbers.

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