Answer:
C
X=-16
Step-by-step explanation:
Answer:
21 pairs of socks
Step-by-step explanation:
We can find out how much money Chang has to spend on socks by subtracting the price of sneakers from his total money to spend by solving 160 - 95. From that, we get our answer of $65 that Chang has to spend on socks. We can divide 65 by 3 to see how many pairs of socks he can buy and we get our answer of 21 pairs of socks.
(sorry if it's confusing but I hope it helped anyway)
1.) First plug in the values for m and A:
![2555 = 139(4) + b](https://tex.z-dn.net/?f=2555%20%3D%20139%284%29%20%2B%20b)
--> ![2555 = 556 + b](https://tex.z-dn.net/?f=2555%20%3D%20556%20%2B%20b)
Isolate b: ![2555 - 556 = 556 - 556 + b](https://tex.z-dn.net/?f=2555%20-%20556%20%3D%20556%20-%20556%20%2B%20b)
b = 1999
So your answer is the first option.
2.) Admission costs $5.25, so even if you don't go on any rides, you will still have to pay $5.25. This means that for this problem, 5.25 will be the b value. If each ride costs $2.50, then this means it is $2.50x for the cost of x rides. The total cost will then be
.
You're doing it exactly right! Keep on going! :)
Answer:
153 ways.
Step-by-step explanation:
The answer is the number of combinations of 2 from 18
= 18! / 2! (18-2)!
= 18! / 2! 16!
= 18*17*16! / 2! 16!
= 18 * 17 / 2*1
= 9 * 17
= 153 ways.