Walter takes 7/10 of an hour to mow 2/5 of an acre of lawn. At ths rat

1.	Walter takes 7/10 of an hour to mow 2/5 of an acre of lawn. At ths rate, how many acres will he mow in an hourA. 7/25 acreB.4/7 acreC.1 1/5 acresD.1 3/4 acresI'll mark brainliest if you are right and I will follow you no answers that are not relative to the question
Answer» Step-by-step EXPLANATION: usual, prove it USING the general heuristic that X=YX=Y if and only if X⊆Y and X⊇Y.X⊆Y and X⊇Y. In other words, TAKE a GENERIC element of A×(B−C)A×(B−C) and show that it also must be an element of (A×B)−(A×C)(A×B)−(A×C), and vice versa.

Walter takes 7/10 of an hour to mow 2/5 of an acre of lawn. At ths rate, how many acres will he mow in an hourA. 7/25 acreB.4/7 acreC.1 1/5 acresD.1 3/4 acresI'll mark brainliest if you are right and I will follow you no answers that are not relative to the question

Answer»

Step-by-step EXPLANATION:

usual, prove it USING the general heuristic that

X=YX=Y if and only if X⊆Y and X⊇Y.X⊆Y and X⊇Y.

In other words, TAKE a GENERIC element of A×(B−C)A×(B−C) and show that it also must be an element of (A×B)−(A×C)(A×B)−(A×C), and vice versa.