Answer:
The store sold 21 T-shirts and 18 pairs of shorts.
Step-by-step explanation:
x = the number of T-shirts sold
y = the number of pairs of shorts sold
x + y = 53
12x + 9y = 570
x = 21 T-shirts
y = 18 shorts
i would say B/90
34=2x + 16
18=2x
x=9
Robert used 9 grams of iron filings in his first experiment.
the answer is A
hope it's help
let's plug the value of x and y as 5 and 4 respectively to find the value of given expression :