4y=7x
The sum of the numbers is 22
so, x+y=22
x=(22-y)
by substitute (22-y) for x in the first equation.
Answer:
12
Step-by-step explanation:
hope it helps you on what ur doing
The factorized answer is 36!
Answer:
520 houses
Step-by-step explanation:
Here, we are interested in calculating the number of houses in the town.
We are told that the density is 8 houses per block and there are 65 blocks
The number of houses in the town = density * number of blocks = 65 * 8 = 520 houses
36 + 57 + 4 + 2 + 1 = 100 would do it.