The product of eighteen and a variable is less that or equal to thirty five

Extra points! find the missing dimension! need asap

An ice cream shop sells 5 times as many cakes cones as waffle cones. use x to represent the number of waflle cones the ice cream shop sells and use the variable to write an expresion for the number of cake cones the ice cream shop sells. enter the expression for the number of cake cones the the ice cream shop sells

By what fraction name for 1 must 2/3 be multiplied to form a fraction with a denominator of 15