Seudónimo Seudónimo

25-09-2020
Mathematics

contestada

Jennifer is 3 years older than twice Zack’s age. The sum of their ages is 21. What are their ages?

Respuesta :

savannahlynn07 savannahlynn07

28-09-2020

Answer:

Jennifer is 15 and Zack is 6

Step-by-step explanation:

z+ (2z+3)=21

z+2z+3-3=21-3

z+2z=18

3z=18

3z/3=18/3

z=6

so plug 6 in for all the variables and their ages are

Zack-6

Jennifer-15

Answer Link

Otras preguntas

if the minimum velocity of a projectile is double the minimum velocity,the angle of projection is

You have 5 pounds and 10 ounces of laundry. Your washer has a capacity of 7 pounds. How many more ounces of laundry would you need to make a full load?

a sum of RS 500 is in the form of denominators of RS5 & RS 10..if the total no. of notes is 90 ,find the no. of notes of each type................

A soccer ball is kicked straight up from the ground with an initial velocity of 32 feet per second. Its height above ground in feet is given by: s(t)=-16t^2 +32

what does 'secret, black and midnight hags' mean in shakespeare?

what does 'secret, black and midnight hags' mean in shakespeare?

What different peoples contributed to the cultures of Spain and Portugalit has to be five different peoples

true or false questions basic math 1.the total surface area of a cube each of whose edges is 12 inches long is 6 square feet 2.if the tank in a car holds 15 gal

a sum of RS 500 is in the form of denominators of RS5 & RS 10..if the total no. of notes is 90 ,find the no. of notes of each type................

Relationship between Mini and Kabuliwala