Answer: He made $90 last week.
Assumption :
Let, Luis made $X last week.
He made $72 this week which is 80% of $X that he made last week
⇒ X * 80% = 72
⇒ X * 80/100 = 72
⇒ X = (72 * 100)/80
⇒ X = 90
Therefore, he made $90 last week.
To remember :
While solving this type of problems, be careful to understand which one of last time and current time is not given; just assume that one and input other conditions, the problem will be solved.
the equation becomes y> 2x+5,
the graph would be C
Answer:
add 1 Century to divide £6 000 000
Answer:
143÷g=g
Kinda easy.
I hope this is what you meant.
And I hope this helps you! ;P
Answer:
no solution
Step-by-step explanation: