3 years ago

A third of a number is 21. What is the number?

2 answers:

8 0

Answer:

Step-by-step explanation:

21*3= 63

63*1/3= 21

5 0

Answer: 63

Step-by-step explanation: 21+21+21

You might be interested in

Soloha48 [4]

Answer:

$21

Step-by-step explanation

65/100 = .65

60 * .65 = $39

60 - 39 = $21

8 0

2 years ago

Marina CMI [18]

One must travel 16 miles before rate B becomes the cheapest rate.

4 0

4 years ago

g100num [7]

The equation:

$(x-10)+40+(x-20)+3x=360\\\\(x+x+3x)+(-10+40-20)=360\\\\5x+10=360\ \ \ \ |-10\\\\5x=350\ \ \ \ |:5\\\\x=70$

8 0

3 years ago

grandymaker [24]

Convert the percent to a decimal (0.055) Now multiply by the price

24.99 • 0.055 = 1.37

5 0

2 years ago

alexira [117]

Answer: 5x² + 3a

Explanation:
$10x^3a+6xa^2=2xa(5x^2 + 3a)$

3 0

4 years ago