The population of Americans aged 65 and older was 38 million in 2007. That population is projected to increase by 90% by 2030 population. Im having trouble on this one when its up to millions

Question

primeralph · Answer

same story. Old +(Old*r/100)

bbb911 · Answer

because i was thinking 90 percent would just stay the same but it doens't matter? you still need to divide 90% and 100?

primeralph · Answer

yes. percent means per-hundred (/100 = /cent)

bbb911 · Answer

so i get 0.9 as the new price then i multipy 0.9 to 3 million right?

primeralph · Answer

0.9 is the new ratio. Multiply by 38 million, then continue

bbb911 · Answer

this is what i got 72,200,000