3 x 7 because three, seven times is 21
Answer:
Wouldn't it be 45 minutes as well?
Step-by-step explanation:
If you think about it in a real life scenario, if one person does the job and then another person does the same job at the same speed wouldn't it be the same time? But if its not i think it would be 15 minutes because 45-30 = 15
Answer:8 candy bars because 21-5=16/2=8 candy bars.
Step-by-step explanation:
Answer: 38.25
Step-by-step explanation: You divide the whole number by the denominator in the fraction.
153/4 = 38.25