Total ratio
2+3+7=12
Now find the weight of sand in each bag
Small bag
90×(2÷12)
=15 kg
Medium bag
90×(3÷12)
=22.5
Large bag
90×(7÷12)
=52.5
Hope it helps
rate me at brainly if i got it right
Answer:
x = -2
Step-by-step explanation:
-3x + 4 = x + 12
Subtracting 4 from both sides:
-3x = x + 8
Subtracting x from both sides:
-4x = 8
Diving both sides by -4:
x = 8 / -4 = - (8/4) = -2
x = -2
Answer:
57 7/9
Step-by-step explanation:
I used a fraction calculator.
A+b=3
-b+c=3 if we add these two equations we have a+c=6......(4) and from the 3rd equation we have a+2c =10
Now subtract (4) from (3)
a+2c=10
a+c=6 so a cancels out you have c=4 so a is 2 and b is 1
a=2
b=1
c=4