How to find the solution to an inequality with subtraction

Practice Questions

ACT Math › How to find the solution to an inequality with subtraction

Questions

6

1

Solve the following inequality:

2

Solve

3

Solve the following inequality:

4

The cost, in cents, of manufacturing $\dpi{100} \small x$ pencils is $\dpi{100} \small 1200+20x$ , where 1200 is the number of cents required to run the factory regardless of the number of pencils made, and 20 represents the per-unit cost, in cents, of making each pencil. The pencils sell for 50 cents each. What number of pencils would need to be sold so that the revenue received is at least equal to the manufacturing cost?

5

Which of the following inequalities defines the solution set to $3x+1\leq-4x-6$ ?

6

Given that x = 2 and y = 4, how much less is the value of 2_x_2 – 2_y_ than the value of 2_y_2 – 2_x_ ?

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