L, Q, T and U are non zero integers. U = 3 Q T^2 / 7 U L. If U is multiplied by 4, T is divided by 1/2 and L is tripled, thenQ must be multiplied by what number to keep the equation valid?

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L, Q, T and U are non zero integers. U = 3 Q T^2 / 7 U L. If U is multiplied by 4, T is divided by 1/2 and L is tripled, thenQ must be multiplied by what number to keep the equation valid?

#TJprep #ACT #SHSAT