Two friends, Meena and Sara, together have Rs 200.
Meena has Rs 40 more than Sara.
Form equations m + s = 200 and m = s + 40, and use substitution to find how much Sara has (in Rs).

Question

Two friends, Meena and Sara, together have Rs 200. Meena has Rs 40 more than Sara. Form equations m + s = 200 and m = s + 40, and use substitution to find how much Sara has (in Rs).

Accepted Answer

80. Substitute m = s + 40 into m + s = 200: (s + 40) + s = 200, 2s = 160, s = 80. Sara has Rs 80.

Two friends, Meena and Sara, together have Rs 200.
Meena has Rs 40 more than Sara.
Form equations m + s = 200 and m = s + 40, and use substitution to find how much Sara has (in Rs).

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 10 Substitution Method practice

Two friends, Meena and Sara, together have Rs 200.Meena has Rs 40 more than Sara.Form equations m + s = 200 and m = s + 40, and use substitution to find how much Sara has (in Rs).

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 10 Substitution Method practice

Two friends, Meena and Sara, together have Rs 200.
Meena has Rs 40 more than Sara.
Form equations m + s = 200 and m = s + 40, and use substitution to find how much Sara has (in Rs).