Solve the problem.A bakery owner sells rectangular birthday cakes that are 5 inches longer than they are wide. To increase his profit, he decides to decrease both the length and width by 3 inches. If the area of the new cake is 66 in.2 smaller than the old cake, then what are the length and width of the old cake?
A. length = 15 in. ; width = 10 in.
B. length = 16 in. ; width = 8 in.
C. length = 17 in. ; width = 11 in.
D. length = 14 in. ; width = 9 in.
Answer: A
You might also like to view...
Solve.In a dc circuit the power P dissipated in the circuit is given by the equation P = R?I2 where R is the circuit resistance in ohms and I is the current in amperes. What current will produce 2420 watts of power in a 20-ohm resistor?
A. 40 amps B. 32 amps C. 15 amps D. 11 amps
Solve the problem. Use 3.14 as an approximation for ? where appropriate.At $4.90 per in.3, how much will it cost to fill an ice chest with dimensions of 
× 
× 
?
A. $1672.53 B. $307.33 C. $390.26 D. $585.39
Rationalize the numerator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Write the equation of the hyperbola with foci 
, 
and 
style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_e9d422767b364ee28b8fdaa8f" />. What will be an ideal response?