2 years ago

I need someone to teach me how to solve this

Mathematics

1 answer:

abruzzese [7]2 years ago

6 0

Answer:

t + 40 = 90

Step-by-step explanation:

90 minutes volunteering

40 minutes delivering flowers

90 - 40 = number of minutes answering phone (50 minutes)

so, t = 90 - 40 or rearranged to t + 40 = 90

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