Answer:
Her son mowed more of the yard than Ms. Jones did.
32 percent of the yard still needs to be mowed.
Step-by-step explanation:
Find the LGM of 1/4 and 3/7 - that is 28
1/4 to 7/28 and 3/7 to 12/28
3/7 is more than 1/4
Her son mowed 43% of the yard or 7/28 of the yard or 1/4 of the yard.
Ms. Jones mowed 25% of the yard or 12/28 of the yard or 3/7 of the yard.
Together they mowed 68% of the yard or 19/28 of the yard.
They still have 32% of the yard left to mow, or 9/28 of the yard left to mow.
