Bryson is updating his computer. The amount of time required for a complete update is 48 minutes. The
update is currently 40% complete. How much longer will it
take for the update to be complete?

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

I’m stuck on this equation, anyone got the answer?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove