A doll and a toy t-rex cost $33 together. If the t-rex toy costs $9.50 more than the doll, how much did the doll cost?
Accepted Solution
A:
Answer:The cost of the doll is $11.75Step-by-step explanation:Letx ----> the cost of the dolly ----> the cost of the toy t-rexwe know that[tex]x+y=33[/tex] -----> equation A[tex]y=x+9.50[/tex] ----> equation Bsubstitute equation B in equation A and solve for x[tex]x+(x+9.50)=33\\2x+9.50=33\\2x=33-9.50\\2x=23.50\\x=\$11.75[/tex]thereforeThe cost of the doll is $11.75