Answer:
$668.75
Step-by-step explanation:
Find the total number of toys:
27 + 20 + 19 + 19 + 22 = 107 total toys
Then calculate the total money earned at a rate of $6.25 per toy:
107 × 6.25 = $668.75
Answer: 8m - 10n
Step-by-step explanation:
14, 21
Step-by-step explanation:
Let the two consecutive multiples be 7n and 7(n+1).
Now, it is given that:
(7n)² + [7(n+1)]² = 637
Simplifying,
49n² + (7n+7)² = 637
49n² + 49n² + 2(7n)(7) + 49 = 637
(as (x+y)² = x² + y² + 2xy)
98n² + 98n + 49 = 637
98n² + 98n - 588 = 0
Dividing by 98 to further simplify,
n² + n - 6 = 0
Factorising, we get
n² + 3n - 2n - 6 = 0
n(n+3) - 2(n+3) = 0
(n+3)(n-2) = 0
Therefore we get n = -3 or n = +2.
Hence, we get the consecutive multiples as 14 and 21.
Feel free to ask if you didn't understand any part.
Hope this helps! :D
Answer:
8000 after 5 years
Step-by-step explanation: Its been so long sence ive done this of stuff im so sorry if its wrong
6 is 61
5 and 7 are 119 (180 - 61)
4 and 2 are 61
1 and 3 are 119
