Directed Numbers

Adam arrives to a meeting $5$5 minutes early, and he leaves as soon as the meeting ends, $50$50 minutes after he got there.

a

Which of the following expressions could we use to calculate the length of the meeting?

$5-50$5−50

A

$-5-50$−5−50

B

$-5+50$−5+50

C

$5+50$5+50

D

$5-50$5−50

A

$-5-50$−5−50

B

$-5+50$−5+50

C

$5+50$5+50

D

b

How long did the meeting go for?

Easy

Approx a minute

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