Jorge deposited $25.30 into his savings account at the bank. He now has $52.27 in his
account. How much was in the account before Jorge made his deposit?
Jorge had
in his account.

The correct answer is:

$26.97

Step-by-step explanation:

amount deposited = $25.30

New amount = $52.27

To get the amountexisting before deposit in the account, subtract the amount deposited from the new amount;

52.27 - 25.30 = $26.97.

To confirm this, just add $26.97 to the amount he deposited, you'll get back the total amount of $52.27.

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.