SOLUTION: A pancake recipe asks for three and one third times as much milk as flour. If three and one half cups of milk is used, what quantity of flour would then be needed, according to the

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: A pancake recipe asks for three and one third times as much milk as flour. If three and one half cups of milk is used, what quantity of flour would then be needed, according to the      Log On


   

Question 29720: A pancake recipe asks for three and one third times as much milk as flour. If three and one half cups of milk is used, what quantity of flour would then be needed, according to the recipe?
Thanks for your help. I've been stuck for hours
Alyson
Answer by Cintchr(481) About Me  (Show Source):
You can put this solution on YOUR website!
+Milk%2FFlour+
this is your basic ratio
the ratio in the recipie calls for
+%2810%2F3%29milk+%2F+1+flour+ = +%287%2F2%29milk+%2Fx+flour+
cross multiply
+%2810x%2F3%29+=++%287%2F2%29+
cross multiply again
+%2810x%282%29%29+=++%287%29%283%29+
+20x+=+21+
divide both sides by 20
+x+=+21%2F20+