Following the order of operations, what does 4 + 3 times 7 simplify to?
A49
B77
C11
D25
Answer & Solution
Correct answer: D. 25
1. There are no grouping symbols or exponents in the expression, only multiplication and addition.
2. Multiplication outranks addition, so find 3 times 7 first, which is 21.
3. Add the remaining term: 4 plus 21 equals 25.
4. Adding 4 and 3 first and then multiplying by 7 gives 49, which is the trap of treating addition as if it came before multiplication.
_Source: OpenStax Prealgebra (CC BY 4.0), Ch 2 "The Language of Algebra", section 2.1 Use the Language of Algebra_
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