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Answer:
The amount of flour Mrs.Stewart needs for 5 cups of shortening cups.
Step-by-step explanation:
Mrs.Stewart pie dough needs cups of shortening for
cups of flour.
Now we assume that the shortening needed for cups of flour is
cups.
Accordingly we can arrange the ratios.
So for one cup of shortening how many cups of flour is needed we have to use the unitary method:
Plugging the value of as it is number of cups of shortening Mrs.Stewart have used.
And multiplying both sides with .
Number of cups of flour needed when cups of shortenings are used
.
So,
The amount of floor Mrs.Stewart needed for cups of shortening
cups of floor.
Compound percentage reduction can be calculated by multiplying the initial number by (1-x)^t where x is the percentage reduction (/100, i.e. 1% reduction is 0.01), and t is the number of times it has reduced.
So:
a)
Where t is the number of weeks.
We can then just substitute in to work out the final pressure:
b) p = 45*0.94^6 = 31psi
So:
a)
Where t is the number of weeks.
We can then just substitute in to work out the final pressure:
b) p = 45*0.94^6 = 31psi