Sum of the heights A and B is 320 cm the difference height of AandB is 20cm the of B can be ____ (140cm) (145cm) (15cm)
Answers
Answered by
1
Step-by-step explanation:
sum of heights A and B is 320
A+B=320
difference of heights A and B
A-B=20
Adding both the equations
2A= 320+20
2A=350
A=350÷2
A=175 .
we know that A+B=320
B=320-175
B=145
Height of B can be 145cm
Similar questions