- 7th grade work -

Please answer like this:

a.

b.

Thanks

A.  40%

B. 66 2/3 %

Step-by-step explanation:

A.      75 / 125 = 6/10 = 60%

Because 125 was 100%, we can subtract 60% to find the percent discount.

100% - 60% = 40%

B. The price now is 75

125 - 75 = 50

They should increase by 50 dollars

So, 50/75 = 2/3 = 66 2/3 %

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-Chetan K

infinitely many solutions

step-by-step explanation:

we have been given the equation;

2(2x + 3) = -4 + 2(2x + 5)

we need to determine the value of x.

2(2x + 3), we expand this expression to obtain 4x + 6

similarly 2(2x + 5) will become 4x + 10

now we have;

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 10 - 4

4x + 6 = 4x + 6

the expression on the left hand side is identical to the one on the right hand side. therefore, we are looking at just a single straight line whose equation is;

y = 4x + 6

consequently, we shall have infinitely many solutions

step-by-step explanation: