The odometer on your family car reads 20186.7 after going 62.3 miles.how many miles were on the odometer before going 62.3 miles?write an expression

20,186.7 - 62.3 = ?

To find the number of miles on the odometer before going 62.3 miles, you need to subtract the distance traveled from the current reading on the odometer.

Let's represent the number of miles on the odometer before going 62.3 miles as "x".

The current reading on the odometer is 20186.7 miles.

So, the expression to represent the number of miles on the odometer before going 62.3 miles would be:

x = 20186.7 - 62.3

Therefore, the expression is x = 20124.4.