4 + 10 = 2 x 2 + 2 x 5 = 2 x (2 + 5)
Ok this inequality tells you the number of devices you can have before the new plan costs more than the old plan. The new plan expression is $4.50x + $94m = y ( total cost). The old plan is $175m = y (total cost). You can see m (number of months) in both equations, you don't need it this time since we're going to to compare both to one month. Since they're both equal to y you can make them equal to each other. $4.50x + $94 = $175. Now you want to figure when the new plan is less than the old plan you switch the equal sign for a less than sign. $4.50x + $94 < $175; this will help you find the inequality you want. From there just use algebraic steps to find that x has to less than 18 or
x < 18.
Answer:
1/hour =9$
For 12 hours she makes 108$
Answer:
A's average speed is 100. I did this same thing and passed my grade.
6 divided by 1/4 = 24 + 12 divided by 1/4 = 48, then 48 + 24 = 72
