10-12-2020
Mathematics

contestada

This week, Sarah spent a total of 120 minutes studying. This total was 20 more
minutes than 4 times the amount of minutes she studied last week. How many
minutes did Sarah spend studying last week?

Respuesta :

cunni05881 cunni05881

10-12-2020

Answer:

She spent 25 minutes studying last week

Step-by-step explanation:

L = last week

120 = 4L + 20

Subtract 20 from either side

100 = 4L

Divde either side by 4

25 = L

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