Question
PSLE
Simon threw a ring around the top of a bottle 25 times. One point was scored when the ring fit on the bottle and one point was deducted when the ring bounced off the bottle.

For Simon's first 20 throws, the ring fit on the bottle 15 times.
  1. What was Simon's score from the first 20 throws?
  2. At the end of 25 throws, Simon's scored 13 points. How many successful throws did he make for his last 5 throws?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Simon threw a ring around the top of a bottle 25 times. One point was scored when the ring fit on the bottle and one point was deducted when the ring bounced off the bottle.

For Simon's first 20 throws, the ring fit on the bottle 15 times.
  1. What was Simon's score from the first 20 throws?
  2. At the end of 25 throws, Simon's scored 13 points. How many successful throws did he make for his last 5 throws?