Answer:
Step-by-step explanation:
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Answer:
Abraham
Step-by-step explanation:
Abraham used the correct equation because if we represent the original size as 100% and decrease that by 20 it would be 80% or 0.8
Nasser's equation will solve for the change in price
Kathleen's equation solves for if the popcorn size was increased by 20%
Answer:
Rate = 4%
Step-by-step explanation:
principal = £500
time = 2 years
simple interest = £40
rate = ?
simple interest = PTR / 100
£40 = £500*2*R /100
£40*100 = £1000*R
£4000/£1000 = R
4 % = R
Answer:
LCM(30;105)=210: least common multiple, calculated.
Step-by-step explanation:
30= 2x3x5
30 is not a prime, is a composite number;
105=3x5x7;
105 is not a prime, is a composite number;
*Positive integers that are only dividing by themselves and 1 are called prime numbers. A prime number has only two factors: 1 and Itself.
* A composite number is a positive integer that has at least one factor (divisor) other than 1 and itself.
I think when you divide decimals the numbers get bigger but when you divide by a whole number, they get smaller.