To find out how many students were left handed, we know that if 90% were right handed, then 10% have to be left handed.
30 students x 0.10 = 3 students left handed
It should be 40 ~
6*10=60
5*4=20
60-20=40
Answer:
y = x
Step-by-step explanation:
y = mx + b
m = slope, b = y - intercept
y = 1x + 0
y = x
Do 4/5÷2/3 and that should give you the answer
Answer is 1 and 2 over 10 which simplifies to 1 and 1 fifth