Zora has a 45-minute study hall three days a week. It takes her 20 minutes to finish a math assignment. Which of the following is the best way Zora can estimate the number of assignments she can finish in study hall in a week

Question

the_fizicx99 · Answer

"which of the following" are there options?

anonymous · Answer

She can round the length of the study hall up to the nearest hour, multiply by 3, and then divide by 20 minutes.

She can round the length of the study hall up to the nearest ten minutes, multiply by 3, and then divide by 20 minutes.

She can round the length of the study hall down to the nearest half hour, multiply 3, and then divide by 0.5 hour.

She can round the length of the study hall down to the nearest ten minutes, multiply by 3, and then divide by 20 minutes.

anonymous · Answer

45*3=135 mins
135mins/20mins for each assignment=6 assignments with the remaining 15 mins for  brakes.

anonymous · Answer

so its d) She can round the length of the study hall down to the nearest ten minutes, multiply by 3, and then divide by 20 minutes.