Page 130 - NUMINO Challenge_D2
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3 The following shows the price increase rate and discount rate of stores
A and B when one buys the same type of bag. Sarah wants to buy a
bag. Which store should she go to?
After one day After two days
A $20 20% increase 10% increase ?
B $40 25% discount 15% discount ?
4 Marc and Josh had the same batting average of 0.25 last week. If both
players had five times at bat with one base hit during today’s game,
which player now has the higher batting average? (When finding the
batting average, round off to the nearest thousandth.)
Name Number of Times Batting Average
at Bat
Marc
Josh 32 0.25
36 0.25
127Communication
A and B when one buys the same type of bag. Sarah wants to buy a
bag. Which store should she go to?
After one day After two days
A $20 20% increase 10% increase ?
B $40 25% discount 15% discount ?
4 Marc and Josh had the same batting average of 0.25 last week. If both
players had five times at bat with one base hit during today’s game,
which player now has the higher batting average? (When finding the
batting average, round off to the nearest thousandth.)
Name Number of Times Batting Average
at Bat
Marc
Josh 32 0.25
36 0.25
127Communication
