How do you translate word phrases to algebraic expressions: the quotient of a number and 7 added to twice the number is greater than or equal to 30?
The statement is a bit ambiguous:
This is a good example of how the absence of any punctuation leads to an ambiguous statement:
Call 'the number'
Look at the key words:
"quotient" is the answer to a division: look for the word 'and'
"twice the number" means multiply by 2, so
"greater than or equal" indicates an inequality:
The sentence above is different from
It really is about making the intention as clear as possible.
In the absence of any punctuation, I would opt for the first.