Y=5. Difference between -6 and 4 is ten so 15-10 =5
For this case we must indicate an expression equivalent to:

By definition we have that the distributive property establishes that:

Then, applying the property to the given expression we have:

Thus, an equivalent expression is:

ANswer:

If you're using 7.6 percent, then you're not using 92.4 percent (100-7.6)
To find 92.4 percent of 67.8 billion do:
67,800,000,000*.924=<span>62,647,200,000 </span>