Proportional Relationships and Percentages

Multiple Choice

The depth of a lake is 15.8 m. Jada accurately measured the depth of the lake to the nearest meter. What measurement did Jada get?

• 15 m

• 16 m

• 15.5 m

• 15.8 m

Multiple Choice

The depth of a lake is 15.8 m. By how many meters does the measured depth differ from the actual depth?

• 0
• 10 m
• 5 m
• 1.5 m

Multiple Choice

The depth of a lake is 15.8 m. Express the measurement error as a percentage of the actual depth.

• 0.6329%
• 0.75%
• 1.2%
• 0.5%

Multiple Choice

A watermelon weighs 8,475 grams. A scale measured the weight with an error of 12% under the actual weight. What was the measured weight?

• 7,458 grams

• 7,458.6 grams

• 7,457 grams

• 7,457.5 grams

Multiple Choice

Noah's oven thermometer gives a reading that is 2% greater than the actual temperature. If the actual temperature is $$325^\circ\text{F}$$ , what will the thermometer reading be?

• 331.5°F

• 328°F

• 325°F

• 322°F

Multiple Choice

Noah's oven thermometer gives a reading that is 2% greater than the actual temperature. If the thermometer reading is 76°F, what is the actual temperature?

• 75°F
• 72°F
• 78°F
• 74.51°F