6. Knowing that the severity of a shock depends on the magnitude of the current through your body, would you prefer to be in series or parallel with a resistance, such as the heating element of a toaster, if shocked by it? Explain.

Explanation:

In series the resistance of combination is large, so if the resistance is more, the current will be less and we will have less shock.

In parallel, the combined resistance is less than the individual resistances so the current is more and we will have more shock.

So we should prefer series connection

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form