Write an expression based on the given description.
In Spencer’s garden, the number of rose bushes is 7 less than 1.5 times the number of carnation bushes. If the number of carnation bushes is c, then the expression representing the number of rose bushes is 7c – 1.5 1.5c – 7 7(c – 1.5) 1.5(c – 7) .