1800 because the 18 cant fit in the tens
The answer is 25. To check 10/.4 is 25 and 0.4 equals to 2/5
think the answer is
x=6+sqrt0/2 x=6-sqrt0/2 both equaling into 3.
But I might be wrong.
Answer:

Step-by-step explanation:
Given that,
He makes $10 per hour making sandwiches, and $14 per hour delivering orders.
Let there are s sandwiches and d is delivering orders.
Eric puts half of his total earnings in a savings account for college.
The expression that represents the total amount of money Eric saves for working s hours making sandwiches and d hours delivering orders.

Hence, this is the required solution.
5x+3x=8x
2y+2y=4y
Answer : 8x+4y