Ineed answer this. question 4.05 × 12

This is pure multiplication.

4.05 x 12 = 48.6

You can prove this by getting 5% of 12, and adding it to 12 x 4.

4.05 x 12 = 48.6

Explanation,

Simply Multiply 4.05 x 12 and you will get 48.6. If you would like to check your work divide, 48.6/4.05 and you will get 12.

Hope this helps :-)

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.