Take$-$a$-$Break Travel Company offers spring break travel packages to college students. Two of its packages, a $7-$day, $6-$night trip to Cancun and a $5-$day, $4-$night trip to Jamaica, have the following characteristics:

$\backslash$table$[[$Package Specifications,Cancun,Jamaica,Cost Data$],[$Oceanfront room; number of nights,$6,4,$$$55/$night$],[$Meals:$,3,,],[$Breakfasts$,6,4,$$$\frac{10}{?}$ ea$],[$Lunches$,7,5,$$ $15/$ea$],[$Dinners$,6,4,$$$\frac{25}{?}$ ea$],[$Scuba diving trips,$3,2,$$$\frac{75}{?}$ ea$],[$Water skiing trips,$4,2,$$$\frac{50}{e}a$