# MATH

posted by .

BUT I DON'T KNOW HOW TO WRITE THE PROBLEM

• MATH -

I assume you mean the Santa page numbers?

no. of 1-digit pages = 9
no. of 2-digit pages = 90

so,

1*9 + 2*90 + 3n = 690
3n = 501
n = 167

9+90+167 = 266

Hmmm. I don't get 245. Check my math.

## Similar Questions

1. ### math, correction,plz

Can someone correct these for me..plz... Problem #1 simplify. ((p^5)^4)/(p^6) MY answer: p^14 Problem #2 Write using positive exponents only. b^-6 MY answer: (1)/(b^6) Problem#3 Write 1.81 X 10^-2 in standard notation My answer. 0.0181 …
2. ### math,correction

Can someone correct these for me plz... Problem#6 Factor. x(x-5)-2(x-5) My answer is: (x-2)(x-5) Problem#7 Factor completely. x^2-x-6 My answer is: (x+2)(x-3) Problem#8 Factor completely. 35x^2+40x+5 My answer is: (7x+1)(5x+5) Problem …
3. ### math,correction

Problem #1 subtract. Express your answer in simplest form (3x)/(18) minus (x)/(18) MY steps: (3x-x)/(18) = (2x)/(18) and answer: (2x)/(18) Problem #18 write in simplest form. (3x^5)/(15x^12) My steps: (3)/(15) = .60 x^5-12 = x^-7 so …
4. ### Math

I do not understand how to figure out my problem below and can not find an example in my book. Can someone give me a suggestion on how I can arrive at my answer. Problem: Write a system of inequalities whose solution set is the region …
5. ### Algebra

Dividing Radicals I used this for the redial sign \/ Problem: 30 \/15 _______ 4 \/10 The book says the answer is 15/4 \/6 (15/4 with radicand of 6). I have tried to solve the problem several different ways. I do not arrive at this …
6. ### Chemistry

My problem states the mass of the electron is 9.10939 x10-31kg. It wants me to express the mass of the electron to 1, 2, 3, and 4 significant figures. I don't need just the answer but an explaination on how to arrive at the answer.
7. ### Math

I posed a problem and no one helped me to see how to solve the problem. I don't want you to give me the answer, I want to know how to arrive at the correct answer. Again, Ms. Pecho currently owes \$637.50 in simple interest on a loan …
8. ### Calculus

Can someone give a detailed solution to this integration problem?
9. ### Math

Rachel gave 1/4 of a pie to each of 5 friends. How many pies did she give to her friends in all?