Answer:
x=6
Step-by-step explanation:
Since y=7 when x=2, we can from here simplify and see that y=3.5 when x=1. If y=21, then we multiply 7 by 3 which is 21, and since we must keep a proportion, we must multiply 2 by 3 and get 6 as the answer.
Do you have the rest of the question?
Answer:
it's the third option
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
At most he cannot spend 36 dollars so 36/1.8=20 but he cannot spend more than 35.99 so it is C