Show work The scale drawing of a house is 1cm: 48cm.

If the width of a new garage is to be 7.68 m, then what is the width of that garage on the scale drawing, in cm?

1. 15.8 cm
2. 768 cm
3.14 cm
4. 16 cm

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?