The cost of adult ticket is $7 and child ticket is $4.
Step-by-step explanation:
Let,
Price of one adult ticket = x
Price of one child ticket = y
According to given statement;
2x+7y=42 Eqn 1
3x+11y=65 Eqn 2
Multiplying Eqn 1 by 3
Multiplying Eqn 2 by 2
Subtracting Eqn 3 from Eqn 4
Putting y=4 in Eqn 1
Dividing both sides by 2
The cost of adult ticket is $7 and child ticket is $4.
Keywords: linear equation, elimination method
Learn more about elimination method at:
#LearnwithBrainly
Answer:
4
Step-by-step explanation:
Since cookies are $.25 each, and Brandon purchased only 2, you can conclude he has already spent $.50.
If you deduct that from the total, $5.50, you have $5 left. Divide the cost of the donuts, $1.25, and the total to get the answer of 4.
1 foot of extra snow fell during the first half if the day
Let's solve for y.<span>6=<span><span>4x</span>+<span>9y</span></span></span>Step 1: Flip the equation.<span><span><span>4x</span>+<span>9y</span></span>=6</span>Step 2: Add -4x to both sides.<span><span><span><span>4x</span>+<span>9y</span></span>+<span>−<span>4x</span></span></span>=<span>6+<span>−<span>4x</span></span></span></span><span><span>9y</span>=<span><span>−<span>4x</span></span>+6</span></span>Step 3: Divide both sides by 9.<span><span><span>9y</span>9</span>=<span><span><span>−<span>4x</span></span>+6</span>9</span></span><span>y=<span><span><span><span>−4</span>9</span>x</span>+<span>2<span>3</span></span></span></span>
