At a school the ratio for boys and girls is 11: 9 there are 124 more boys then girls whats the total number of pupils

124 more boys than girls

ratio of boys to girls = 11:9

thus difference of boys to girls is 2/20 = 124

total number of pupils = 124 ÷ 2/20 = 1240 pupils

a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²

answer by yourhope:

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