6.5 Solve proportions and their applications  (Page 7/12)

$90$ is $\text{150\%}$ of what number?

$77$ is $\text{110\%}$ of what number?

What percent of $85$ is $17?$

What percent of $92$ is $46?$

What percent of $260$ is $340?$

What percent of $180$ is $220?$

What number is $\text{65\%}$ of $180?$

What number is $\text{55\%}$ of $300?$

$\text{18\%}$ of $92$ is what number?

$\text{22\%}$ of $74$ is what number?

$\text{175\%}$ of $26$ is what number?

$\text{250\%}$ of $61$ is what number?

What is $\text{300\%}$ of $488?$

What is $\text{500\%}$ of $315?$

$\text{17\%}$ of what number is $\text{\$7.65}?$

$\text{19\%}$ of what number is $\text{\$6.46}?$

$\text{\$13.53}$ is $\text{8.25\%}$ of what number?

$\text{\$18.12}$ is $\text{7.55\%}$ of what number?

What percent of $56$ is $14?$

What percent of $80$ is $28?$

What percent of $96$ is $12?$

What percent of $120$ is $27?$

Mixing a concentrate Sam bought a large bottle of concentrated cleaning solution at the warehouse store. He must mix the concentrate with water to make a solution for washing his windows. The directions tell him to mix $3$ ounces of concentrate with $5$ ounces of water. If he puts $12$ ounces of concentrate in a bucket, how many ounces of water should he add? How many ounces of the solution will he have altogether?

Mixing a concentrate Travis is going to wash his car. The directions on the bottle of car wash concentrate say to mix $2$ ounces of concentrate with $15$ ounces of water. If Travis puts $6$ ounces of concentrate in a bucket, how much water must he mix with the concentrate?

To solve “what number is $\text{45\%}$ of $350\text{”}$ do you prefer to use an equation like you did in the section on Decimal Operations or a proportion like you did in this section? Explain your reason.

To solve “what percent of $125$ is $25\text{”}$ do you prefer to use an equation like you did in the section on Decimal Operations or a proportion like you did in this section? Explain your reason.

$\text{32\%}$ admission rate for the university

$\text{53.3\%}$ rate of college students with student loans

$13$ out of $100$ architects are women.

$9$ out of every $100$ nurses are men.

$\text{48\%}$

$\text{175\%}$

$\text{64.1\%}$

$8\frac{1}{4}\%$

$\text{6\%}$

$\text{23\%}$

$\text{128\%}$

4.9%

In $2012,\text{13.5\%}$ of the United States population was age $65$ or over. (Source: www.census.gov)

In $2012,\text{6.5\%}$ of the United States population was under $5$ years old. (Source: www.census.gov)

When a die is tossed, the probability it will land with an even number of dots on the top side is $\text{50\%}.$

A couple plans to have three children. The probability they will all be girls is $\text{12.5\%}.$