Hani said she would do 3 more situps per minute than Diana would. Diana then did 40 situps at a rate of 4 situps per minute. Calculate the total number of situps they did together.
How many minutes did Diana do situps? ** Since Diana did 40 situps at a rate of 4 situps/minute, she did situps for 40 / 4 = <<40/4=10>>10 minutes
How many situps did Hani have to do? ** Hani had to do 3 + 4 = <<3+4=7>>7 situps per minute if Diana did 4 situps per minute.
How many situps did Hani do? ** So over the 10 minutes Hani did 7*10 = <<7*10=70>>70 situps.
How many situps did Diana and Hani do together? ** Together, the total number of situps they did is 70+40 = <<70+40=110>>110
#### 110