850 x 0.05 = 42.5
850 + 42.5 = 892.5
She earned 42.5
And 892.5 she wardens at the end of four years
x-17= 23
move -17 to the other side
sign changes from -17 to +17
x-17+17= 23+17
x= 23+17
Answer:
x= 40
6*7=42 42+1=43 therefore the number you are looking for is 7
78 is the significant figure because in maths 0's are not considered significant. Read more into significant figures to help you out.
