It should be 90 because in question it says that
Answer: e = 17.8
Step-by-step explanation: 14.6 + 3.2
6.7 x -2.3
You would multiply this just like any other multiplication question.
There is some work of course, but I'm not going to write it out here...
You are going to end up with -15.41, which is already rounded to the nearest hundredth.
Hope this helped :)
First one is 9/10 second is 1 2/5
Total hours= 2.2+3.5=5.7
Total earned = 5.7 x $7.50= $42.75