Can someone me i need to know the unit rate of:
a. 420 miles in 7 hours
b. 360 customers in 30 days
c. 40 meters in 16 seconds
d. $7.96 for 5 pounds

A. 60 miles per hour

B.120 customers per day

C.2.5 meters per second

D. $1.59  per pound

Step-by-step explanation:

Here we are asked to determine the unit rate for each one of the options given. By unit rate we mean the quantity for per unit quantity . Hence in order to find that we divide the two and quotient is our unit rate. Let us see how:

A. 420 miles in 7 hours

Unit rate =

Unit rate = 60 miles per hour

B. 360 customers in 30 days

unit rate =

Unit rate = 120 customers per day

C. 40 meters in 16 seconds

Unit rate =

Unit rate = 2.5 meters per second

D. $7.96 for 5 pounds

Unit rate =

Unit rate = $1.59  per pound

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720