69 of the coins are not nickels.
Using slope-intercept form
y=mx+b
y being the y value of a co-ordinate
x being the x value of a c-ordinate
m being the slope
b being the y intercept
You've been given slope of 1
and point (0,2) is the yintercept
Hence
y= x +2
Or USE ALGEBRA
IT"S SUPER FUN!!!!
x=0
y=2
m=1
b=?
y=mx+b
2=1(0)+b
b=2
Hence
y=x+4
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Original equation x = yz / a solve for a
xa = yz
a = yz / x
Hopes this helps:
Answer: 16b+ 72c+72+e
(17b- b) + (82c- 10c) + (90- 18) + e
