There are 250 people in a hall. \( 30 \% \) of them wear glasses. How many people do 1ot wear glasses?

3. Rasio pulpen Amir dan Samir adalah \( 2: 3 \). Jika jumlah pulpen keduanya adalah 15 buah, maka pulpen Amir sebanyak....

The electricity rates charged by Monroe Utilities in the summer months are as follows. - Base Charge is \( \$ 7.00 \) - First 700 kWh or less at \( \$ 0.06 / \mathrm{kWh} \) - Over 700 kWh at \( \$ 0.09 / \mathrm{kWh} \) The base is a fixed monthly charge, independent of the kWh (kilowatt-hours) used during the month. a. Find an expression for the cost function \( C(x) \) for usage of or under 700 kWh . \( C(x)=7+0.06 x \) \( \sigma^{8} \) b. Find the charge for using 900 kWh . \( \$ 7+0.06 \)

Ms. Ford ordered 5 boxes of origami paper on Amazon that each contains 7 packs of ch pack has 15 pieces of paper. How many total pieces of paper does she have?

1.40 Use metric conversion factors to solve the following problems: a. The Daily Value of phosphorus is 800 mg . How many grams of phospho- rus are recommended? b. A glass of orange juice contains 0.85 dL df juice. How many milliliters of orange juice is that? c. A package of chocolate instant pudding contains 2840 mg of sodium. How many grams of sodium is that?

Sergio renta una habitación con baño en \( \$ 800 \) mensuales. Si la renta se incrementa en \( 20 \% \) cada año. ¿Cuánto deberá pagar de renta mensualmente al tercer año?