Answer:
see below
Step-by-step explanation:
Let y = the total cleaning cost
Let x = the number of roots cleaned.
Therefore, if the cost is $22 per room, y = 22x
200 = 22x
Divide both sides by 22: 9 = x
Therefore, 9 rooms can be cleaned for $200
New equation: y = 22x + 40
200 = 22x + 40
Subtract 40 from each side: 160 = 22x
Divide both sides by 22: 7 = x
Therefore, 7 rooms can be cleaned for $200 if the carpet cleaners receive a $40 tip
Answer:
No, Kareem is incorrect.
Step-by-step explanation:
Kareem says that the ratio of because 4 + 8 = 12 and 1 + 8 = 9
But the correct way to rewrite the ratio 4 : 1 is,
Which becomes as,
Therefore, Kareem is not correct.
Correct ratio equivalent to 4 : 1 is 12 : 3.