Answer:
Step-by-step explanation:
The slope is -15/7
You can try to solve it by hit and trial method as x and y are both natural numbers.
x = 5 and y = 2
x+y = 7
There are 4 steps, then u add the 15 steps he climbed then the 3 steps that are left, thats 22 steps, but since thats half of the ladder u add another 22 steps and u get the answer.... 44 steps
Four hundred three :403
and: "."
six hundred eight thousandths :608
(1-z) can combine with other coupons
