Answer:30
Step-by-step explanation:
6 ; 9 ; 14 ; 21 ; .............
6+3=9
9+5=14
14+7=21
21+9=30
She will need 2 1/2 boxes of crackers.
Work:
1/12 times 30/1 is 30/12 which simplifies to 2 1/2.
I'm not totally sure I'm correct but I hope this helped!
Answer:
A rational number is any number that can be expressed as a ratio of two integers (hence the name "rational"). It can be written as a fraction in which the the top number (numerator) is divided by the bottom number (denominator). ... Pi (π) is irrational since it cannot be written as a fraction.
Step-by-step explanation:
Answer: $142.5
Step-by-step explanation: If the price is being marked up by 50%, you take 50% or half of the original price of $95, which is 47.5, and add it to your original price.
95 + 47.5 = 142.5
Answer: -1.7 or 1 7/10
Step-by-step explanation:
Conversion a mixed number to a improper fraction: 2 1/8 = 2 · 8 + 1
8
= 17
8
Unary minus: -17
8
Conversion a mixed number to a improper fraction: 1 1/4 = 1 · 4 + 1
4
= 5
4
Divide: -17
8
: 5
4
= -17
8
· 4
5
= -17 · 4
8 · 5
= -68
40
= -17
10
To divide one fraction by another, invert the second fraction, then multiply.
Hope I helped!
Good Luck!