3. If Liezel scored 75% on a 20 points test, how many points did she miss? How many points would she earn if she wants a 90%?
a. 5 and 18 points
b. 6 and 18 points
c. 5 and 19 points
d. 7 and 18 points
a. 5 and 18 points
b. 6 and 18 points
c. 5 and 19 points
d. 7 and 18 points
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Answer:
A. 5 and 18 points
Step-by-step explanation:
20 × 75% = 15
20 - 15 = 5
20 × 90% = 18points