Pam bought 14 postcards during 7 days of vacation. After 10 days of vacation, how many total postcards will Pam have bought? Sol
ve using unit rates.
postcards
2 answers:
I'm not all that good at math but I'm pretty sure the answers 42 its 7+3=10 so 14x3 so 42
They are implying that the rate is constant at:
14pc/7d= 2 postcards per day
So after 10 days at that rate Pam will have bought 10*2=20 postcards.
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