Week 18~Tuesday

Front

What is the equation that represents the number of packages per dollar if it costs $15 to send 3 packages?

Back

p = 1/5 d

Front

How many games must be played to make at least $50 if each game costs $3 and prizes cost $145.65?

Back

at least 66 games

Front

What is the ratio of elephants to giraffes in a zoo if the ratio is 1 to 5 and there are 18 total animals?

Back

15 giraffes

Front

If Evren used 24 centimeters of tape to wrap 3 presents, how many presents can be wrapped with 112 centimeters of tape?

Back

14 presents

Front

What is the ratio of dentists who do NOT prefer whitening toothpaste to those who do if 8 out of 10 dentists prefer it?

Back

1:4

Front

Define ratio in mathematics.

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

What is the formula to calculate the total cost if each item costs a fixed amount?

Back

Total Cost = Number of Items × Cost per Item

Front

Explain the concept of unit rate.

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

What is the formula for finding the total number of items based on a ratio?

Back

Total Items = (Part of First Item + Part of Second Item) × Ratio Factor

Front

How do you find the number of items in a specific category using a ratio?

Back

Use the ratio to set up a proportion and solve for the unknown quantity.