The most expensive would be one foot wide and forty eight feet long (or vice versa) and the least expensive would be eight foot wide and six foot long (or vice versa).
Here, You need to substitute the value of x, and y, in the equation then check if L.H.S is equal to R.H.S or not. If they are equal then, ordered pair was correct, otherwise they are not applicable.
75) Here, oly option D can fit i the equation, we can check:
3(-5) -2(-1) = -15+2 = -13 = R.H.S
So, the pairs are valid.
76) Here, only option D is your answer,
4(2) - 4 = 8 - 4 = R.H.S
Do the same thing in every equation!
Hope this helps!
She has to read 136 pages each week to achieve her goal because 1,500-412=1,088. so she has 1,088 pages left to read in 8 weeks. then you divide 1,088/8=136 ( I hope this helps )
