joan can pick 9 pounds of strawberries in one hour. how long does she take to pick 72 pounds of strawberries? and joan is paid $12 per hour. How much does joan earn if she picks twice the total weight of strawberries in 72.
72/9= 8 hours
so double the weight at the same rate?
144/9= 16*12= $192
I just did this problem for summer math stuff, and a is 8 hours. Cause 72 divided by 9 is 8. And for b 12x8=96 and 96x2=192
72/9 = 8 hours
I don't understand the rest of your question.
u guys dum
I do not understand this question...
To find out how long Joan takes to pick 72 pounds of strawberries, we can set up a ratio.
If Joan can pick 9 pounds of strawberries in 1 hour, then the ratio is 9 pounds : 1 hour. Using this ratio, we can set up an equation to find the time it takes to pick 72 pounds of strawberries:
9 pounds / 1 hour = 72 pounds / x hours
To solve for x, we can cross-multiply:
9 * x = 72 * 1
This simplifies to:
9x = 72
To isolate x, divide both sides of the equation by 9:
x = 72 / 9
x = 8
So, Joan takes 8 hours to pick 72 pounds of strawberries.
Now, let's calculate how much Joan will earn if she picks twice the total weight of strawberries in 72 pounds.
If Joan picks 72 pounds, then twice the total weight would be 72 * 2 = 144 pounds.
Since Joan is paid $12 per hour, we need to calculate how many hours it would take to pick 144 pounds of strawberries.
Using the original ratio of 9 pounds : 1 hour, we can set up another equation:
9 pounds / 1 hour = 144 pounds / y hours
Cross-multiplying:
9 * y = 144 * 1
This simplifies to:
9y = 144
Dividing both sides by 9:
y = 144 / 9
y = 16
So, it would take Joan 16 hours to pick 144 pounds of strawberries.
To calculate Joan's earnings, we multiply the number of hours by her hourly rate:
Earnings = hours * rate
For picking 72 pounds (8 hours):
Earnings = 8 hours * $12/hour
Earnings = $96
And for picking 144 pounds (16 hours):
Earnings = 16 hours * $12/hour
Earnings = $192
Therefore, Joan would earn $96 if she picks twice the total weight in 72 pounds.