it is 15 to 35
cuz 3 plus 7 is 10 and 50 divided by 10 is 5 and then multiply 3 times 5 and 7 times 5 which equals 15 to 35 and 15+35=50
3 is 13 more than 10, and 3 is 30% of 10, so 30% im pretty sure
Answer:$8.60
I put the work into the picture. Hope this helps!
She read 3 hours and 15 minutes.
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