Question

reinforce determine the following values.
a. 50% of 80
b. 100% of 80
c. 125% of 80
d. 200% of 80
e. 350% of 90
f. 80% of 250
g. 180% of 250

Explanation:

Step1: Calculate \(a. 50\%\) of \(80\)

To find \(x\%\) of a number \(y\), we use the formula \(\frac{x}{100}\times y\). For \(x = 50\) and \(y=80\), we have \(\frac{50}{100}\times80=\frac{1}{2}\times80 = 40\)

Step2: Calculate \(b. 100\%\) of \(80\)

Using the formula \(\frac{x}{100}\times y\) with \(x = 100\) and \(y = 80\), we get \(\frac{100}{100}\times80=1\times80=80\)

Step3: Calculate \(c. 125\%\) of \(80\)

Using the formula \(\frac{x}{100}\times y\) where \(x = 125\) and \(y = 80\), we have \(\frac{125}{100}\times80=\frac{5}{4}\times80=100\)

Step4: Calculate \(d. 200\%\) of \(80\)

Using the formula \(\frac{x}{100}\times y\) with \(x = 200\) and \(y = 80\), we get \(\frac{200}{100}\times80=2\times80 = 160\)

Step5: Calculate \(e. 350\%\) of \(90\)

Using the formula \(\frac{x}{100}\times y\) where \(x = 350\) and \(y = 90\), we have \(\frac{350}{100}\times90=\frac{7}{2}\times90=315\)

Step6: Calculate \(f. 80\%\) of \(250\)

Using the formula \(\frac{x}{100}\times y\) with \(x = 80\) and \(y = 250\), we get \(\frac{80}{100}\times250=\frac{4}{5}\times250 = 200\)

Step7: Calculate \(g. 180\%\) of \(250\)

Using the formula \(\frac{x}{100}\times y\) where \(x = 180\) and \(y = 250\), we have \(\frac{180}{100}\times250=\frac{9}{5}\times250=450\)

Answer:

a. \(40\)
b. \(80\)
c. \(100\)
d. \(160\)
e. \(315\)
f. \(200\)
g. \(450\)