Alex weighs 185 pounds. if he decreases his weight by 10% what will be his new weight?

Given the conditions, Alex's new weight would be:

Step-by-step explanation:

In terms of percentage, you should consider that Alex's initial weight is 100% when mentioning that he loses 10% of his initial weight, you must perform subtraction of percentages to obtain the new percentage of his initial weight:

Now you just have to multiply the initial weight by his new percentage and you will get Alex's new weight in pounds:

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of