Answer:
1.90476190476 or 1.90
Explanation:
PEMDAS
Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.
first you would do anything inside the parenthesis
(87 − 7) ÷ 42 =
80÷ 42 =
next you would do any Exponents but in this case we dont have to so you would do any Multiplication/Division whichever comes first
80÷ 42 = 1.90476190476
now you could round it to 1.90