The results of a survey that asked 120 eighth graders if they prefer math or social studies are shown in the frequency table. Math Social Studies Total
Girls 37 31 68

Boys 43 9 52

Total 80 40 120

The relative frequency table includes some of the relative frequencies from the table.

Math Social Studies Total

Girls 0. 31

Boys _[blank]_

Total 0. 67 1. 00

What is the relative frequency for the total number of boys in this survey, rounded to the nearest hundredth?

9.8? i'm not really sure

Ok here we go ..there are plenty of ways to solve such math problems but we will go for the smartest and easiest ..5x+2y=7  -2x+6y=9we rearrange them into the following ..by multiplying the 1st equation by 2 it becomes 10x + 4y = 14we rearrange it and so it becomes 10x = 14 - 4yas for the second equation we multiply it by 5 and rearrange it so it becomes as to the following ..-10x + 30y = 45rearranging so 10x = 30y -45now 10x equals both 14 - 4y and 30y -45so   14 - 4y = 30y -4531 = 26yy= 31/26 = 1.19 or around 1.2so by now we can calculate x easily as  -2x+6y=9so 2x = 6y -9 = 6 * 31/26 - 9 = -1.84  then x = - 0.92 or around -0.9best luck!

That is what i got (fgx) hope this

The best answer is 2lbs