If Koby can work about 22 math problems in 30 minutes, you can multiply both 22 and 30 by 2 which gives you the rate of 44 math problems an hour. that then allows you to multiply 44 by 3 which equals 132, so the answer would be D.
1,750 is the total cost of it.
Answer:
47%
Step-by-step explanation:
47/100= 0.47
Answer:
22
Step-by-step explanation:
Now: a=j+4
6 years ago: Anabelle: a-6; Jason: j-6