Write the sentence as an inequality.
The sum of a number y and 9 is at least -1.

y +9 >= -1

Sum of a number(y) and 9. Is greater than or equal to negative one. Sum means add, so add y, and 9. It has to be atleast negative one, so greater than (0,1,2,3...), or equal to(-1).

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step-by-step explanation

2r= 2300

r =1150