400
Joshua counted how many minutes he read for 4 nights.
◦On Monday, he read for 38 minutes.
◦On Tuesday, he read for 91 minutes.
◦On Wednesday, he read for 64 minutes.
◦On Thursday, he read for 57 minutes.
What equation would give the best estimate of the combined number of minutes Joshua read for all 4 nights?
What is 40 + 90 + 60 + 60 = 250?