Question 1158917
5 oz*.50 tangy =2.50 oz-tangy
add x oz of 0.75 tangy or +0.75x
final is (5+x)*0.7=3.5+0.7x
so 2.50+0.75x=3.5+0.7x
0.05x=1
x=20 oz of 75% tangy ANSWER


start with  5 ounces or 2.5 o-t
add to that 20 ounces or 15 o-t
end up with 25 oz of 0.7 or 17.5 o-t so this  checks