Hey 4:3 is an equal ration to 20:15
Answer:
(5,-3) is a solution of -x-y=-2
Step-by-step explanation:
You just plug in the numbers in the equation
x=5 y=-3
-5(5)+2(-3)=-25-6 which doesn't equal -21
-5-(-3)=-5+3=-2
Answer:
29%
Step-by-step explanation:
20 divided by 70 which is .285 which is .29
Hey This Is The Answer I Got
(x-1)/16=6/12
16*6=12(x-1)
96=12x-12
12x=84
x=7
Hoped I Helped
If 30% were perfect, 70% were not perfect. So we know that 70% of the total number of photographs is 210.
p(70/100)=210 multiply both sides by 100
70p=21000 divide both sides by 70
p=300
So there are 300 photographs in all.
