Ruby recorded the grade-level and instrument of everyone in the middle school School of Rock below. Seventh Grade Students
Instrument # of Students
Guitar 13
Bass 14
Drums 11
Keyboard 15
Eighth Grade Students
Instrument # of Students
Guitar 6
Bass 7
Drums 14
Keyboard 8

Based on these results, express the probability that a seventh grader chosen at random will play an instrument other than drums as a fraction in simplest form.

answer set (b) 0.5, 3/4 80% is in order from least to greatest.  

step-by-step explanation:

in order to compare rational numbers to each other, it is much easier if they are in the same form.   typically, the best form in which to evaluate rational numbers is in decimals.   in order to convert a percent to a decimal, you would divide the given percentage by 100.   you can also accomplish the conversion by moving the decimal point over two places to the left.   for example, the decimal value of 80% is 80/100, or 0.8.   in order to convert a fraction to a decimal, you need to divide the numerator by the denominator.   for example, 3/4 is 0.75.   so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.  

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

10

step-by-step explanation:

step-by-step explanation: