How much would the Gerrards have to put down if the lender required a minimum 20 percent down payment

the first part of the question is missing, so I looked for similar questions to fill in the blanks:

Ben and Marie Gerrard, both in their mid-20s, have been married for 4 years and have two preschool-age children. Ben has an accounting degree and is employed as a cost accountant at an annual salary of $63,000. They're now renting a duplex but wish to buy a home in the suburbs of their rapidly developing city. They've decided they can afford a $210,000 house and hope to find one with the features they desire in a good neighborhood.

If the Gerrards are required to make a minimum 20% down payment, then they need to pay at least $210,000 x 20% = $42,000.

Many lenders require a minimum down payment for a mortgage loan and others charge different interest rates depending on the down payment percentage, e.g. if your down payment represents 30% of the house's value, the interest rate will be lower than a loan with a 20% down payment. The logic behind this is that the higher the down payment, the safer the loan.

forbearance of student loan payments. under forbearance, your loan payments are postponed (or reduced) but interest continues to accrue during the period of forbearance. if you don't pay the interest during that period, the interest may be “capitalized,” which means it is added to your principal balance.

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