73 Answered Questions for the topic Rates

01/12/19

#### Solving a Problem

Tammy, working alone, could clean one-half the area in one hour. Her partner, Melissa - working alone - could clean one-third of the area in one hour. During the contest when they work... more

09/16/18

#### What is the ratio for 480 ml in 8 hours

Math ratio it hard

08/14/18

#### Ratio Word Problem

The Eagles have won 40% of their games at one point in the season. They play 15 more games, winning 10 and losing 5. They have an exact 50-50 win-loss record at the end of the season. How many wins... more

05/25/18

#### % Increase when changing rates on 2 tanks

I have 2 tanks (#1 & #2), #1 is draining milk at 1473 L/day, #2 is draining milk at 1337 L/day. If i change tank #1 to drain at 826 L/day and #2 to drain 481 L/day, how many Litres am I saving... more

04/23/18

#### HELP! I don't understand the formula my teacher wants us to use, so I am just trying to figure it out any way I can!

QUESTION: You are using dirt to fill a planter box, and you use 920 grams of dirt to fill 8 inches of the planter box how many inches can you fill using 48.3 KILOGRAMS of dirt

04/03/18

#### sanjay can travel 342 miles in 6 hours. At this rate, how far can he travel in 5 hours

i need this problem done please

03/17/18

#### Derivatives - find the rate at which the diameter is increasing when the diameter is 20cm

A spherical balloon is being inflated so that its volume is increasing at the rate of 10cm3/sec. Find the rate at which the diameter is increasing when the diameter is 20cm.

01/31/18

01/24/18

10/22/17

#### Gabriel can finish a packet of cereal in 6 days. The next packet of identical cereal he shares with his sister Sheila, and the two of them take 4 days to finish

Gabriel can finish a packet of cereal in 6 days. The next packet of identical cereal he shares with his sister Sheila, and the two of them take 4 days to finish the packet. If Sheila alone had been... more

10/04/17

#### Cola is on sale at six bottles for \$3.99. Each bottle contains 710 mL of the drink. What is the price per 100 mL when purchased this way?

I’m not sure how to do this question. It is on a challenge page I have and i’d like to figure it out.

09/13/17

#### Rates question

Daim can walk at 4 km/h and ride his bike at 20 km/h. He takes 24 minutes less when he rides his bike from his house to the school than he walks. What is the distance, in km, from his house to the... more

08/30/17

#### Yolanda and Yoko ran in a 100-yd dash...

a. Yolanda and Yoko ran in a 100-yd dash. When Yolanda crossed the finish line in 15 seconds. Yoko was 10 yards behind her. The girls then repeated the race. With Yolanda starting 10 yards behind... more
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