Of 30 students, 1/3 play sports. Of those who play sports, 2/5 play soccer. How many students play soccer?
A. 4
B.12
C.5
D.10

PLEASE HELP

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?