3 necklaces were sold and they have got 45 revenue
The digit 7 is in the tens place so 74 will become either 70 or 80 after rounding off to the nearest ten. Draw a number line with 3 numbers on it: 70, 75 and 80. (Both possible rounded off numbers and the number in the middle.
1/8 the fraction?
two eighths = 2/8=1/4