Noor wants to spend less than $20 on condiments. Each kilogram of salt costs $1.50, and each kilogram of
2 answers:
Answer:
Step-by-step explanation:
Givens:
- The number of kilograms of salt is
.
- The number of kilograms of pepper is
- Noor wants to spend less than $20, that means he's gonna spend $18, $17, $16, ...
- Salt per kg costs $1.50.
- Pepper per kg costs $2.50
The cost of the salt would be expressed
The cost per kilogram of pepper would be
The whole problem is modelled by this inequality
Basically, this expression states that Noow is not gonna pay $20 or more, and the price of salt per kg is $1.50 and $2.50 per kg of pepper.
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Answer:
Step-by-step explanation:
<u>Key skills: Exponents + Fractions</u>
Use the negative exponent property. If your number is x^-y then it would be the same as 1/x^y
3^-4 is the same as
3^4 is 81, so your answer would be 1/81.
Hope you have a nice day and understood this!