SOLUTION: Tammy, Juan, and Deandre sent a total of 53 text messages during the weekend. Tammy sent 7 fewer messages than Deandre. Juan sent 2 times as many messages as Deandre. How many mess

Algebra.Com
Question 1047056: Tammy, Juan, and Deandre sent a total of 53 text messages during the weekend. Tammy sent 7 fewer messages than Deandre. Juan sent 2 times as many messages as Deandre. How many messages did they each send?
Found 2 solutions by addingup, MathTherapy:
Answer by addingup(3677)   (Show Source): You can put this solution on YOUR website!
T+J+D = 53 (1)
and
T = D-7
J = 2D
Substitute in (1):
D-7+2D+D = 53 Add 7 on both sides and simplify on left:
4D = 60
D = 15
Then:
T = 15-7 = 8
J = 2*15 = 20
:
John
Answer by MathTherapy(10557)   (Show Source): You can put this solution on YOUR website!

Tammy, Juan, and Deandre sent a total of 53 text messages during the weekend. Tammy sent 7 fewer messages than Deandre. Juan sent 2 times as many messages as Deandre. How many messages did they each send?
 

RELATED QUESTIONS


Tammy, Joe, and Austin sent a total of 89 text messages during the weekend. Joe sent 7... (answered by math_tutor2020)

Tammy, Joe, and Austin sent a total of  text messages during the weekend. Joe sent  fewer  (answered by math_tutor2020)

Melissa, Deon, and Boris sent a total of 
108
 text messages during the weekend.... (answered by ikleyn,josgarithmetic)

Diane, Chang, and Scott sent a total of 119 text messages during the weekend. Scott sent... (answered by Boreal)

Laura, Chang, and Dale sent a total of text messages 144 during the weekend. Chang sent 4  (answered by josgarithmetic)

Kira, Ali, and Frank sent a total of 75 text messages during the weekend. Ali sent 5... (answered by ikleyn)

Emilia, Axel, and Matías sent a total of  82 text messages during the weekend. Emilia... (answered by josgarithmetic)

Debra, Brian, and Austin sent a total of 87 text messages over their cell phones during... (answered by greenestamps,ikleyn)

Regina, Gabriel, and Felipe sent a total of  103 text messages during the weekend. Regina  (answered by greenestamps)