Q:

Renaldo will write 3/20 as a decimal. Which of the following methods should he use? 1. Multiply the fraction by 5/5 to get a denominator of 100 and then write the numerator as hundredths using a decimal point. 2.Multiply the fraction by 1/5 to get a denominator of 100 and then write the numerator as hundredths using a decimal point.3. Multiply the fraction by 33.3/33.3 to get a numerator of 100 and then write the denominator as hundredths using a decimal point.4. Multiply the fraction by 33.3 to get a numerator of 100 and then write the denominator as hundredths using a decimal point.

Accepted Solution

A:
ANSWER1. Multiply the fraction by 5/5 to get a denominator of 100 and then write the numerator as hundredths using a decimal point.EXPLANATIONRenaldo wants to write [tex] \frac{3}{20} [/tex]as a decimal.He needs a denominator of 100, so he can multiply by [tex] \frac{5}{5} [/tex]to obtain:[tex] \frac{3}{20} = \frac{3 \times 5}{20 \times 5} [/tex]This will be[tex] = \frac{15}{100} [/tex]He can now obtain the decimal equivalent as[tex] = 0.15[/tex]The correct choice is option 1.