Asked by Saba
Nadia and Manar together have 140 walnuts. If Nadia gives fifteen walnuts to Manar then they will each have an equal number of walnuts.
How many walnuts does Manar have at the beginning?
How many walnuts does Manar have at the beginning?
Answers
Answered by
Henry
Nadia has X walnuts.
Manar has Y walnuts.
Eq1: x + y = 140.
Nadia has x-15 walnuts.
Manar has y+15 walnuts.
x-15 = y+15.
Eq2: x - y = 30.
Add Eq1 and Eq2:
x + y = 140
x - y = 30
Sum: 2x = 170, X = 85.
x + y = 140.
85 + y = 140,
Y = 55.
Manar has 55 walnuts.
Manar has Y walnuts.
Eq1: x + y = 140.
Nadia has x-15 walnuts.
Manar has y+15 walnuts.
x-15 = y+15.
Eq2: x - y = 30.
Add Eq1 and Eq2:
x + y = 140
x - y = 30
Sum: 2x = 170, X = 85.
x + y = 140.
85 + y = 140,
Y = 55.
Manar has 55 walnuts.