Well, plug in 3 to x, and -4 to y.
5(3) + 2(-4) = 7
15 - 8 = 7
7=7
Yes, (3, -4) is a solution.
0.006
That's you're answer
firts lets see how many dollars she has
192 divided by 4 is 48 so she currently has 48 dollars.
and she puts in 2 quarters daily
so lets see how much she need to earn
75 - 48 is 27
lets see how many quarters she need to have 27 dollars 27 x 4 is 180
now lets divide 180 by two because shes giving two everyday. 180 divided by 2 is 54 so if she kept adding two quarters everyday it would take her 54 days to get the rest of the money she need to by and iPod.
i dont know if this helped or not but i solved it
Answer:
69
Step-by-step explanation:
55+85+58+77=275
275/4=68.75
Rounded=69
