Answer:
Step-by-step explanation: Answer:46.21
Step-by-step explanation:t/42.99 = 7.5/100.
Butterfly method
42.99 x 7.5 = 322.42 divided by 100= 3.22 plus 42.99 = 46.21etc
Step-by-step explanation:
x=2
38 degrees
if it is half a tenth or more, it gets rounded up to the next degree
x=25
2x+40=90
90-40=50
50 divided by 2 is 25