Answer:
x=11
Step-by-step explanation:
7x-9-4(x-1)=28
7x-9-4x+4=28
3x-5=28
3x=33
x=11
Answer:
5/8 : 1/4 :: m : 1 proportion
5/8 = m/4 product means/extremes
5/2 = m
Step-by-step explanation:
The answer is the positive square root of 36
Answer:
a 72
Step-by-step explanation:
9x10=90, so in total he has 90 pencils. if he loses 18 of them that's 90-18 which is 72.