What is 30% of 70. show your work

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

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x