Estimate. then choose a method to find the product. 31x43

Dan got 45 out of 72 correct in his test. What fraction of the marks did he get correct? Give your answer in its simplest form.

Carol is three times older than andrew. brad is two years older than andrew. in six years, the sum of andrew's and brad's ages will be the same as carol's age. how old is carol?

Movie tickets cost 9.25 each and a large order of popcorn costs 7.75. what is the total cost of 5 movie tickets and a large order of popcorn

3 to the power of ten

Farmer Ed has 700700 meters of fencing, and wants to enclose a rectangular plot that borders on a river. If Farmer Ed does not fence the side along the river, find the length and width of the plot that will maximize the area.

Martin wants to buy a new car. The price of the car is $28,249. If Martin gets a bank loan with a simple interest rate of 3.49% what will be the final cost of the car after 5 years?

By 8:00 AM, The snack bar has made $3,256 in sales. By noon, the snack bars total sales for $8821. On average, how much money did the snack bar take in each hour between 8:00 AM and noon?

Five people can mow a lawn in 12 hours. How many more people are needed to mow the lawn in just 3 hours, assuming each person mows at the same rate?

Tasia is grocery shoping with her father and wonders how much shopping is left to do we already have 60% of the items on the list of all the cities in Tatian is 12 items in a quart how many grocery items are on the list

The motions of a car and a truck along a straight road are represented by the graph, which plots velocity (v) vs. time (t). The two vehicles are initially alongside each other at time t = 0.