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Help na nga :(

A. Use bar model in the first question, then use grid method in the follow up question. If Justin scored 75% on a 20-point test, how many points did he miss? How many points would he earn if he scored a 90%?​


Sagot :

Answer:

Step-by-step explanation:

If Justin scored 75% on a 20-point test, then he got 15 points over 20.

If he scored 90% of 20, he scored 18 points over 20