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Shtirlitz [24]
3 years ago
14

Willie found shirts at a back-to-school sale for $15.25 each. He also found jeans on sale for $32.95 per pair. He purchased 3 sh

irts and 2 pairs of jeans. How much money did Willie spend on the shirts and jeans before tax?
Mathematics
2 answers:
Brilliant_brown [7]3 years ago
8 0

Answer:

111.65

Step-by-step explanation:

$15.25 x 3 = $45.75

$32.95 x 2 = $65.9

Total: $111.65

Helen [10]3 years ago
6 0

Answer:

111.65

Step-by-step explanation:

we can do this by multiplying  we se that the jeans cost 32.95, and willie bought 2 pairs so that means we multiply and we get $65.9 or $69.90 and if we see the shirts they were 15.25 and and he bougt 3 of them so we do 15.25 x 3 and we get = $45.75 se we ad both sums and we get $111.65

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Answer:

h=40t+9700

where the elevation, h, is in feet and time, t, is in minutes.

Step-by-step explanation:

At the time, t_1=15 min, the elevation, h_1= 10,300 feet and

at the time t_2= 30 min, the elevation, h_2=10,900 feet.

As they are hiking a steady incline, so the change in the elevation with respect to time will be constant.

So, there will be a linear relationship between the elevation and the time.

Let h be the elevation at any time instant t, so the linear relation among these quantities is

h=mt+C_0\;\cdots(i)

where m is the rate of change of elevation with respect to time and C_0 is constant.

The change in the elevation, \Delta h=h_2-h_1= 10,900-10,300=600 feet.

and the change in time, \Delta t=t_2-1_1=30-15=15 min.

So, change in the elevation in unit time,

m=\frac{\Delat h}{\Delta t}=\frac{600}{15}=40 feet/min.

Now, from equation (i)

h=40t+C_0

As the elevation, h=h_1 at time t=t_1, so

10,300=40\times15+C_0

\Rightarrow C_0=9700

Hence, the required equation is

h=40t+9700

where the elevation, h, is in feet and time, t, is in minutes.

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542.9

Step-by-step explanation:

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