Answer:
Infinite many solutions
Meaning there is more than one solution
Hope this helps!
Let me know if this is right.
Simplify brackets
-8a - 6 - 10a - 2 + 5a
Collect like terms
(-8a - 10a + 5a) + (-6 - 2)
Simplify
<u>-13a - 8</u>
If nine out of ten students prefer math class over lunch then that's 90%. Which means 10% of the 200 don't prefer it. 200/10= 20 people do not prefer math
Answer:
<em>y = 8</em>
Step-by-step explanation:
330x + 1220y = 12730 (cost of coach tickets plus cost of first class tickets is total budget)
x + y = 17 (number of coach tickets plus number of first class tickets is total number of people)
Solve the second equation for y to get y = 17 - x, then plug that into the first equation and solve for x:
330x + 1220(17 - x) = 12730
330x + 20740 - 1220x = 12730
-890x + 20740 = 12730
-890x = -8010
x = 9
Sarah bought x = 9 coach tickets. Plug that into the second equation and solve for y:
9 + y = 17
y = 8
Sarah bought y = 8 first class tickets.
