Mary swam n laps during the week and 10 laps over the weekend. Choose the expression that shows how many laps she swam in all.Choices:(A) n−10(B) n+10(C) n(D) 10−n
Q. Mary swam n laps during the week and 10 laps over the weekend. Choose the expression that shows how many laps she swam in all.Choices:(A) n−10(B) n+10(C) n(D) 10−n
Weekday laps swam: Mary swam n laps during the week.
Weekend laps swam: She swam 10 more laps over the weekend.
Total laps swam: To find the total, add the laps swam during the week to the laps swam over the weekend.So, n+10.
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