Answer:
Step-by-step explanation:
let the sam's age be x
2x+5=3x-1
5+1=3x-2x
6=x
therefore sam's age is 6.
Answer:240
Step-by-step explanation:
40 pencils in one minute
2 hours=120 minutes
40*120=480
480/2=240 boxes
Answer:
2.57 x 10^(-5)
Step-by-step explanation:
you have to move the comma sign in front of the first number considering 0 as a non-number.
PQ = 2 units
height = 4 units
area = 2*4 = 8/2 = 4 square units
