Substitute the given values into the formula

=IPRT

and solve for the remaining variable. If

=I900

when

=R0.09

and

=T5

, find

P

.

=P

Substitute the given values into the formula

=P+s1+s2s3

(Perimeter of a triangle), and solve for the remaining variable. If

=P10.4

when

=s24.5

and

=s33.4

, find

s1

2 . Substitute the given values into the formula

=V13r2h

, and solve for the remaining variable.

If

=V128

when

=r4

, find

h

.

Substitute the given values into the formula

=A12h+b1b2

, and solve for the remaining variable. Simplify.

If

=A1.2

when

=b17

and

=b23

, find

h

.

=h

=h

Solve for

l

. Express numbers in the exact simplest form.

7l +2 +15

Solve the formula for the indicated variable.

=Fma

Write an inequality for the problem and solve it.

Big City Parking Garage charges

$25

for the first

7hr

plus

$7

for each additional half hour. Eduardo has

$70

for parking. For how long can Eduardo park his car in this garage?

Eduardo can park his car for at most