Autum school holding a voleturing challeng. Students are encouraged to volunteer for at least 1 1/2 hours per week. Volenteers abou the same amount each week. During a 3- week period she volunteers for 6 3/4 hours. Autumn wants to compare her volunteers rate with the challenge rate

Given :

Challenge given is to volunteer for about 1 1/2 hours per week .

Autum did at a rate of 6 3/4 hours per week .

To Find :

The comparison ( ratio )  her volunteers rate with the challenge rate .

Solution :

Simplifying challenge rate in in normal fraction , .

Also , simplifying her rate , .

Now , ratio of his work by challenge is :

Therefore , the ratio is 9/2 or 4 1/2 .

Hence , this is the required solution .

i got 10.28 but that rounds up to 10.3

i think the correct option is the second option.