Answer:
x=7
Step-by-step explanation:
expand 4(x+5): 4x+20
2x+34=4x+20
subtract 34 from both sides
2x+34-34=4x+20-34
2x=4x-14
subtract 4x from both sides
2x-4x=4x-14-4x
-2x=-14
divide both sides by -2
-2x/-2=-14/-2
x=7
Hope this helps but I think the answer is -33/20 which simplifies to -1 13/20
Answer:
(a) $1.92
(b) $11.68
(c) $19.21
Step-by-step explanation:
The tax is the product of the tax rate (7.5%) and the taxed amount.
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<h3>(a)</h3>
0.075 × $25.55 ≈ $1.92
<h3>(b)</h3>
0.075 × $155.75 ≈ $11.68
<h3>(c)</h3>
0.075 × $256.18 ≈ $19.21
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It is convenient to use a calculator for these values. A suitable calculator can do the rounding for you.
Answer:
Here,
denotes the additional cookies that need to be made by Walter besides 15 cookies made by him so far
Step-by-step explanation:
Number of cookies made by Walter so far = 15
He is asked by his coach to make at least 20 cookies but no more than 55.
Let
denotes the additional cookies that need to be made by Walter besides 15 cookies made by him so far.
The inequality is 
Now solve this inequality.

Answer:
you are adding a dollar and 50 cents each time
Step-by-step explanation:
then find your y and x and plot it