Question

An adult sleeps about 480 minutes per day. An infant sleeps about 820 minutes per day. About how many more minutes does an infant sleep than an adult. in one week? Solve. the problem two different ways.

Answer 1

A infant sleeps 2380 in a week
1 way to slove is by subtracting 820-480=340 then you multiply by 7 thats where u get 2380
another way is by multiplying 820 by 7 and multiplying 480 by 7 then subtract the the answers and you get the answer