Translate this phrase into an algebraic expression.
54 decreased by twice Vidya's savings
Use the variable y to represent Vidya's savings.
we have
<h2>54-2y</h2>
because
twice Vidya's savings -------> 2y
so
54 decreased by twice Vidya's savings
54-2y
<em>Answer</em><em>:</em>
the surface area of the rectangular pyramid below is 300 units2
-9x + 2 > 18.
-9x > 16
x < -16/9
13x ≤ -19
x ≤ -19/13
x < -16/9 or. x ≤ -19/13
Amounttotal=amount per day times number of days
200=17.1 times d
divide both sides by 17.1
11.695=d
about 12 days