Charlotte is a grocery scanner who can scan an average of 100 items in 3.5 minutes while her cousin leo can scan 148 items in 5.5 minutes.
find the unit rate of leo. round to the nearest tenth. 

21.00 per mile and plus 5.50 is 26.50 i think that im pretty sure it is right

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.