There are 42 boys in the six grade the number of girls in the six grade is 56 emma says the ratio of boys to the number of girls in the six grade is 5: 6 is emma correct

  no

Step-by-step explanation:

The ratio is ...

  boys : girls = 42 : 56 = (14·3) : (14·4) = 3 : 4 . . . . not 5:6

Emma is not correct.

christopher is 272,195 year old

step-by-step explanation:

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.