Answer:
Step-by-step explanation:
90x - 60y = 68.....multiply by -1
90x - 70y = 91
---------------------------
-90x + 60y = -68 (result of multiplying by -1)
90x - 70y = 91
---------------------------add
-10y = 23
y = -23/10 <===
90x - 60y = 68
90x - 60(-23/10) = 68
90x + 138 = 68
90x = 68 - 138
90x = - 70
x = -70/90
x = -7/9 <=====
Answer: 60 oranges
Step-by-step explanation:
<u>Given information</u>
Weight = 75 g / orange
Total = 4.5 kg
<u>Given formula</u>
Total = Number of oranges × Average weight
<u>Convert Kilogram unit to Gram</u>
1 kg = 1000 g
4.5 kg = 4.5 × 1000 = 4500 g
<u>Substitute values into the given formula</u>
Total = Number of oranges × Average weight
Number of oranges = Total / Average weight
Number of oranges = 4500 / 75
<u>Simplify by division</u>

Hope this helps!! :)
Please let me know if you have any questions
Answer:
$57,791.8
Step-by-step explanation:
Each acre cost $43.60.
If the famer wants to harvest 1325.5 acres he has to pay 43.6 per acre
43.60×1325.5= 57,791.8
From my research, the original system of equations contain the following equations:
<span>2x − y = −4
3x + 5y = 59
where obtained solution is x = 3
Among the choices, it is easier to substitute </span><span>3x + 5y = 59 with one of the choices to see if they yield the same solution set. From trial-and-error, the equation that can replace the original equation is " 13x = 39 ". Among the choices, it is the 4th choice.</span>
Answer:
answer is 88 digits
Step-by-step explanation: