If 78 is increased by 40%, what is the new amount?

78 * 1.4 = ?

31.2

No.

To calculate the new amount after increasing 78 by 40%, you need to find 40% of 78 and then add it to 78.

Step 1: Find 40% of 78
To find 40% of 78, multiply 78 by 0.40:
40% of 78 = 78 * 0.40 = 31.2

Step 2: Add 31.2 to 78
To get the new amount, add 31.2 to 78:
78 + 31.2 = 109.2

Therefore, the new amount is 109.2.