8v + 8b = 240
4v + b = 54....multiply by -2
-------------------
8v + 8b = 240
-8v - 2b = - 108 (result of multiplying by -2)
------------------add
6b = 132
b = 132/6
b = 22 <== buses hold 22 students
4v + b = 54
4v + 22 = 54
4v = 54 - 22
4v = 32
v = 32/4
v = 8 <== vans hold 8 students
Answer:
give me a minute i will answer
Step-by-step explanation:
One hundred thousand two hundred and three
1.2, 2.1, 3.1 your welcome :)
Answer:
Step-by-step explanation:
840g equals 0.84kg (1000g = 1kg)
(0.84kg/4kg)*(100%) = 21%