Alex weighs 85 pounds. Together, he and his sister weigh ten pounds more than five times the weight of his sister. What is the weight, w, of Alex's sister?(1 point) Responses 85+w=5w85+w=5w; 28 lb 85 plus w is equal to 5 w; 28 lb 85+w=5w−1085+w=5w−10; 25 lb 85 plus w is equal to 5 w minus 10; 25 lb 85+w−10=5w85+w−10=5w; 7.5 lb 85 plus w minus 10 is equal to 5 w; 7.5 lb 85+w=5w+1085+w=5w+10; 15 lb
85+w=5w+10
Combine like terms:
85-10=5w-w
75=4w
Divide by 4:
w=18.75 lb
So, the weight of Alex's sister is 18.75 pounds.