Um i would need more details
But i thing you would add those together
If its going by $11 for 2 hours then he babysat ?
ok so $11= 2 hours
11 x 3= 33 half of eleven is 5.5
so 33+ 5.5 = $38.50 so I believe the answer is 6 hours and 30 min but I'm not 100 percent positive
Answer:
Cost: $14.349
Markup: $15.649
Step-by-step explanation:
1. Rewrite the percent as decimal. Divide it by 100, as following:
109/100=1.09
3. Now, knowing that Baby blankets sell for $29.99 after a markup rate based on cost of 109%, you can write the following expresion:

Where x is the cost.
4. You must solve for x, then, you obtain:

5. The markup is:

Answer: $24
Step-by-step explanation:
Mariano saved $24because
120 x 0.2=24
She payed $96