Option (c)
Is the right answer
Answer:
347 + 645 = 992
Step-by-step explanation:
347
<u>+645</u>
922
You have to do like draw a number line and do the opposite and you'll get your answer and add them together and you'll get 45.5
X = girls
y = boys
z = students in the bus
x + y = z
x + y = 36
total girls = 2 * total boys
x = 2 * y
2y + y = 36
3y = 36
y = 12
x = 2y = 24 (B)