Answer:
.25
Step-by-step explanation:
its very easy btw you shouldn't have needed to post it just use a calculator.
0.5+0.75=0.80
now
1+1=2
2+0.80=2.89
0.123
54 miles per hour ......
4
420 divided by 98 is 4.28571428571, therefore rounding would make the answer 4!
D
