Use oder of operation to solve (50÷2)+5 power by 3-
5

(50/2)+5^3-5

Evaluate operations in parentheses first
25+5^3-5

Then evaluate exponents
25+125-5

Then add and subtract from left to right
150-5
145

Final 145

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.