Is 3:12 & 6:24 equivalent? is 28/16 and 7/4 equivalent?
is 4 to 20 and 1 to 4 equivalent?
is 4/6 and 6/9 equivalent?
is 27 to 9 and 24 to 4 equivalent?
lastly is 6:10 and 8:15 equivalent?
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The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Adriveway is 40 yards long about how many meters long is it

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years