Answer:
43.57
Step-by-step explanation:
Line up the decimal points.
Add a 0 for 1.07 so the numbers have the same length.
01 . 0 7
42. 5 0
-------------
1.07+42.5
=1.07+42.5
=43.57
Add the numbers
Make 42.5 equal to 42.50 for better understanding when calculating
