Answer:
14%
Step-by-step explanation:
A = P(1 +rt) . . . . . . . . . . . . . . . . . . formula for the balance for simple interest
2848.52 = 2006(1 +3r) . . . . . . . filling in the given numbers
1.42 = 1 +3r . . . . . . . . . . . . . . . . . .divide by 2006
0.42 = 3r . . . . . . . . . . subtract 1
0.14 = r = 14%
Nancy's account paid interest at 14% per year.
X=9 and y=-3 if you need help comment back and i would love to help!
Answer: 25
explanation:
7² + 24² = c²
49 + 576 = c²
625 = c²
c = √625
c= 25
or just know some pythagorean triples
Answer:
Let the MP of 1 article = Rs 1
MP of 15 article = Rs 15
SP of (15+1) articles = 15 x 96/100
= Rs 14.40
CP of 16 article = 14.40/135 x 100
= Rs 32/3
CP of 1 article = 32/3x16
= Rs 2/3
Required % = 1/3 x 3/2 x 100
= 50
400 is the correct answer