Page 120 - NUMINO Challenge_B2
P. 120
Problem solving

1 Amy is playing a game of darts. She starts with Key Points
100 points. She gets 20 points every time she
hits the target and loses 15 points every time she Solve the problem
misses it. If she throws the darts 15 times and by assuming that
receives 260 points, how many times does she Amy hits the target
hit the target? all 15 times.

2 Susan works in a restaurant, washing dishes. She Solve the problem
gets 50 cents for every dish she washes but has by assuming that
to pay $1.20 for every dish she breaks. Susan Susan washed all
received $51.50 for cleaning 120 dishes yesterday. 120 dishes without
How many dishes did she break? breaking a single
one.

117Communication
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