Question

Sara's mark in maths is 15 more than in french .The total marks she scored in the subjects is 125 .Find how much she scored in each subjects.

Answer 1

Answer:

Let the Number Scored in French be n and Number Scored in Maths be (n + 15)

$\underline{\bigstar\:\boldsymbol{According\:to\:the\:Question :}}$

$\dashrightarrow\sf\:\:Maths+French = Sara's\:Total\:Score\\\\\\\dashrightarrow\sf\:\:(n+15)+n=125\\\\\\\dashrightarrow\sf\:\:2n+15=125\\\\\\\dashrightarrow\sf\:\:2n=125-15\\\\\\\dashrightarrow\sf\:\:2n=110\\\\\\\dashrightarrow\sf\:\:n=\dfrac{110}{2}\\\\\\\dashrightarrow\sf\:\:n = 55$

$\rule{150}{2}$

$\underline{\bigstar\:\sf{Number\: Scored\:by\:Sara :}}$

$\bullet\:\:\textsf{French = n = \textbf{55}}\\\bullet\:\:\textsf{Maths = (n + 15) = (55 + 15) = \textbf{70}}$

⠀

∴ Number Scored by Sara in French & Maths are 55 and 70 respectively.