Question

cindy scored 56 more marks than betty in a science test. If their total score was 160 calculate cindy's score

Answer 1

108

Explanation:

c = b + 56

c + b = 160

Substitute for c

(b + 56) + b = 160

2b + 56 = 160

2b = 104

b = 52

c = 52 + 56 = 108