David Weber, Talei Kunkel, Alexander Martinez and, Rebecca Shultis Solutions for Chapter: Rates Interconnectedness of Human-Made Systems, Exercise 16: Practice 3

Find which choice is the better buy. Show all of your working.

        $2\mathrm{L} \mathrm{milk} \mathrm{for} \$3.95 \mathrm{CDN}$                                                      $473\mathrm{mL} \mathrm{milk} \mathrm{for} \$0.93 \mathrm{CDN}$

Find which choice is the better buy. Show all of your working.

  $454\mathrm{g} \mathrm{rice} \mathrm{for} \in 0.60$                                       $9.07\mathrm{kg} \mathrm{rice} \mathrm{for} \in 10$

Find which choice is the better buy. Show all of your working.

  $3 \mathrm{bananas} \mathrm{for} 1.10 \mathrm{R}$                                       $7 \mathrm{bananas} \mathrm{for} 2.75 \mathrm{R}$

Find the unit rate, then compare the following and decide which is the better option.

$50000$ Chilean pesos for $1200$ British pounds, or $1350$ Chilean pesos for $40$ British pounds.

Find the unit rate, then compare the following and decide which is the better option.

$600$ Chinese yuan for $1700$ Mexican pesos, or $1400$ Chinese yuan for $4300$ Mexican pesos.

Find the unit rate, then compare the following and decide which is the better option.

$7900$ Japanese yen for $84.50$ Australian dollar, or $12500$ Japanese yen for $144.50$ Australian dollar.

Find the unit rate, then compare the following and decide which is the better option.

$9800$ Mauritian rupees for $3900$ South African rand or $1400$ Mauritian rupees for $635$ South African rand

Find the unit rate, then compare the following and decide which is the better option.

$8700$ Albanian lek for $55000$ Chilean pesos or $1700$ Albanian lek for $11000$ Chilean pesos