Solve this sum 1 + 0.05 + 5.25 = ? 45 + 67 + 89 = ? 87 + 105 + 13 = ?

Question

ScanSolve AI Tutor · Accepted Answer

Here are the solutions to the problems from the image.

1. Rounding to the nearest whole number

Identify the digit in the tenths place, which is 4.
Since 4 is less than 5, round down.
The whole number remains 3.
The rounded number is $\boxed{3}$ .
- 4.500
Identify the digit in the tenths place, which is 5.
Since 5 is 5 or greater, round up.
The whole number 4 becomes 5.
The rounded number is $\boxed{5}$ .
- 6.999
Identify the digit in the tenths place, which is 9.
Since 9 is 5 or greater, round up.
The whole number 6 becomes 7.
The rounded number is $\boxed{7}$ .
- 0.001
Identify the digit in the tenths place, which is 0.
Since 0 is less than 5, round down.
The whole number remains 0.
The rounded number is $\boxed{0}$ .

2. Mangoes word problem
A boy has 120 mangoes. He sells $\frac{1}{4}$ of them.
Determine the total number of mangoes.
Total mangoes = 120
Determine the fraction of mangoes sold.
Fraction sold = $\frac{1}{4}$
Calculate the number of mangoes sold by multiplying the total mangoes by the fraction sold.
$\text{Number of mangoes sold} = \frac{1}{4} \times 120$ $\text{Number of mangoes sold} = \frac{120}{4}$ $\text{Number of mangoes sold} = 30$
The boy sold $\boxed{30 \text{ mangoes}}$ .

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