To regroup is to use place value to exchange equal amount when renaming a number.
Answer:
the answer to this is 355.
source:da brain
64=-4+4x
64+4=4x
68=4x
68/4=x
17=x
Answer:
Brand A is the better buy
Step-by-step explanation:
bag Which is the better buy?
Step one
Brand A: $5 for 80 pounds of sand
Let us find the unit cost
Unit cost =5/80
=$0.0625 per pound
Brand B: $14 for 175 pound
The unit cost is
=14/175
=$0.08 per pound
3.9/3=$1.30
2.2/2=$1.10
The unit prices are $1.30 and $1.10.
Hope this help!