Asked by Alexis

Elisabeth and Miriam exchanged 240 text messages in 80 minutes. An equal number of texts was sent each minute. The girls can send 60 more text messages before they are charged an additional fee. Complete the double number line diagram. At this​ rate, how many more minutes can the girls exchange texts before they are charged​ extra?
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Part 1
Complete the diagram. Choose the correct answer below.
A.
font size increased by 2 0font size increased by 2 0font size increased by 8 Text Messagesfont size increased by 8 Minutesfont size increased by 2 240font size increased by 2 80font size increased by 2 300font size increased by 2 100



x y graph
B.
font size increased by 2 0font size increased by 2 0font size increased by 8 Text Messagesfont size increased by 8 Minutesfont size increased by 2 240font size increased by 2 80font size increased by 2 360font size increased by 2 120



x y graph
C.
font size increased by 2 0font size increased by 2 0font size increased by 8 Text Messagesfont size increased by 8 Minutesfont size increased by 2 240font size increased by 2 80font size increased by 2 480font size increased by 2 160



x y graph
D.
font size increased by 2 0font size increased by 2 0font size increased by 8 Text Messagesfont size increased by 8 Minutesfont size increased by 2 240font size increased by 2 80font size increased by 2 260font size increased by 2 140



x y graph
Choose the correct answer below.
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All Answers 1

Answered by GPT-5 mini AI
Rate = 240 messages ÷ 80 minutes = 3 messages per minute.
They can send 60 more messages ÷ 3 messages per minute = 20 minutes.

So the correct diagram is A (0→0, 80→240, 100→300), and they can exchange texts for 20 more minutes.