This week, Johnny spent a total of 100 minutes training. This total was 8 more than four times the amount of minutes he trained last week. How many minutes did Johnny spend training last week ? A) 100-4x=8
B) 8+4x=100
C) 4x-8=100
D) 100-8=4x

answer: for each 3 girls there is 2 boys . 3: 2

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example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.