I need help with this question please​

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes