Ratio and Proportion

Calculate The missing numbers in the Following

a) 3:10=?:40

b) 5:7=?:21

c) 6:11=24:?

d) 4:50=2:?

David drove 224 miles in 4 hours What is constant speed of David?

Which question could the expression 1000n answer? A. Let n = the number of gallons of gas used. How many miles per gallon did the car get driving 1000 miles? B. Let n = the number of grams of food needed for each dog.

Write a story problem for the addition sentence 7 + __=9. solve the story problem.

Solve for y 2x-3y=-9

In a local election, 138,201 people voted for the winning candidate. ifshe won by 29,288 votes, about how many votes did the other candidate recive

How many different ways can you find of writing 1/2

I DON'T GET IT! >.< Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j - 0.12 = 4 + 1.1j a. 0.01 b. 0.1 c. 10 d. 100

Solve this number riddle I am an a odd number. I am less than 100. The sum of digits is 12. I am a multiple of 15. What number am I?

Is this an expression or an equation? Three times a number plus five equals twenty

14.36 rounded to the nearest tenth