It took him 20 seconds to fill out each one of those balloons. 20x3=60 seconds= 1 minute
Answer:
3/4 + 5/8
The common denominator is 8.
6/8 + 5/8
11/8
1 3/8
:)
To estimate, you would usually round to a significant figure
so, 20* 70=1400
The actual answer is 1521, so we know we are close
It takes 8 trees to make a stack 1.2 metres tall, so if ut takes 20 minutes per tree, then it will take 8 × 20 or 160 minutes, or 2 hours 40 minutes.
A line doesn’t have an endpoint
