A) <span>3x + </span><span>2.5y= 27
B) 5x – 2.5y = 5
</span>Adding A and B we get
8x = 32
x = 4
A) 3*4 + <span>2.5y= 27
</span>A) 12 + <span>2.5y= 27
</span>A) <span>2.5y= 15
y = 6
</span>
Answer:
a.) -20p - 2
Step-by-step explanation:
Answer:
An estimted 350 passengers.
Step-by-step explanation:
Let's estimate this sum: replacing 218 with 220 and 129 with 130, we have the simpler addition problem 220+130, which works out to 350 passengers (total on the two trains).
50 miles apart
if 1 = 10 then 5 = 50 using the tens rule
