Question

set up an equation in the following case ---------------------
2) lakshmi's father is 49 years old. he is 4 years older than three times Lakshmi's age (take lakshmi's age to be y years ).
3)The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest mark plus 7.the highest score is 87. (take the lowest score to be l.?)​

Answer 1

1. 3y+4 = 49

y= 15

2. 2i + 7 = 87

i = 40

Answer 2

Answer:

$2) \: age \: of \: lakshmi \: father \: = 49yrs \\ \\ lakshmis \: age = y \\ \\ so \: equation \: would \: be \\ \\ 3y + 4 = 49 \\ \\ 3) \: highest \: marks = 87 \\ \\ so \: equation \: would \: be \\ \\ 2l + 7 = 87$

hope it helps uH ✌