Answer:
Infinite amount of solutions.
Step-by-step explanation:
Note that both sides of the equation is -3x. This means that regardless of what you put into x. It will always be the same on both sides.
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Answer:
3h - 30 > 0
h > 10
Step-by-step explanation:
To make a profit, subtract $36 in cost from the income coming in.
She charges $6 and then $3 per hour or 3h. Her income coming in is 6 + 3h.
Subtract 36 from it to find the profit.
3h + 6 - 36
3h - 30
To make a profit, she needs to make more than $0 or > 0.
3h - 30 > 0
Solve using inverse operations.
3h - 30 > 0
3h > 30
h > 10
True
This is because on replacing for x=5;
y=2x-11
y=2(5)-11
y=10-11
y=-1
First thing to do is set up your equation:
45/x = 20/100
Cross multiply
4500 = 20x
And divide by 20
Answer: 225 people were surveyed
Answer:
two
Step-by-step explanation:
A ratio compares the relative sizes of two quantities .
