Answer:
9 10/11 km
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
7 2/11 km to school
Another 2 8/11 km to the park
<u>Step 2: Find Total</u>
- Add: 9 10/11 km
0.10x+0.25(x+3)=1.80
<span>0.10x+0.25x+0.75=1.80 </span>
<span>0.35x=1.80-0.75=1.05 </span>
<span>x=1.05/0.35=3 </span>
<span>Therefore,Vonda has 3 dimes and 6 quarters with her </span>
Integers
An integer is a whole number that is not a fraction
Whereas real numbers include fractions and so do rational numbers.
Rational numbers include terminating decimals and fractions. Meaning, they have an end number.
Pi for instance is an irrational number because it never ends
